The first digit on the radial side of the hand which in humans lies opposite the other four.
The articulations between the CARPAL BONES and the METACARPAL BONES.
The articulation between a metacarpal bone and a phalanx.
Four or five slender jointed digits in humans and primates, attached to each HAND.
A painful disability in the hand affecting the finger or thumb. It is caused by mechanical impingement of the digital flexor tendons as they pass through a narrowed retinacular pulley at the level of the metacarpal head. Thickening of the sheath and fibrocartilaginous metaplasia can occur, and nodules can form. (From Green's Operative Hand Surgery, 5th ed, p2137-58).
The articulation between the head of one phalanx and the base of the one distal to it, in each finger.
Force exerted when gripping or grasping.
Alterations or deviations from normal shape or size which result in a disfigurement of the hand occurring at or before birth.
A carpal bone adjacent to the TRAPEZOID BONE.
General or unspecified injuries involving the fingers.
A congenital anomaly of the hand or foot, marked by the presence of supernumerary digits.
A small round or oval, mostly subcutaneous nodule made up chiefly of a mass of Aschoff bodies and seen in cases of rheumatic fever. It is differentiated from the RHEUMATOID NODULE which appears in rheumatoid arthritis, most frequently over bony prominences. (From Dorland, 27th ed)
Any one of five terminal digits of the vertebrate FOOT.
The distal part of the arm beyond the wrist in humans and primates, that includes the palm, fingers, and thumb.
Rigid or flexible appliances used to maintain in position a displaced or movable part or to keep in place and protect an injured part. (Dorland, 28th ed)
The five cylindrical bones of the METACARPUS, articulating with the CARPAL BONES proximally and the PHALANGES OF FINGERS distally.
Loss of a limb or other bodily appendage by accidental injury.
The region of the HAND between the WRIST and the FINGERS.
An oil-resistant synthetic rubber made by the polymerization of chloroprene.
The act, process, or result of passing from one place or position to another. It differs from LOCOMOTION in that locomotion is restricted to the passing of the whole body from one place to another, while movement encompasses both locomotion but also a change of the position of the whole body or any of its parts. Movement may be used with reference to humans, vertebrate and invertebrate animals, and microorganisms. Differentiate also from MOTOR ACTIVITY, movement associated with behavior.
Deformities of the hand, or a part of the hand, acquired after birth as the result of injury or disease.
Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)
Lateral displacement of the great toe (HALLUX), producing deformity of the first METATARSOPHALANGEAL JOINT with callous, bursa, or bunion formation over the bony prominence.
The innermost digit of the foot in PRIMATES.
A medical dictionary is a specialized reference book containing terms, definitions, and explanations related to medical science, healthcare practices, and associated disciplines, used by healthcare professionals, students, researchers, and patients to enhance understanding of medical concepts and terminology.

Neuronal activity in somatosensory cortex of monkeys using a precision grip. III. Responses to altered friction perturbations. (1/402)

The purpose of this investigation was to examine the activity changes in single units of the somatosensory cortex in response to lubricating and adhesive coatings applied to a hand-held object. Three monkeys were trained to grasp an object between the thumb and index fingers and to lift and hold it stationary within a narrow position window for 1 s before release. Grip forces normal to the skin surface, load forces tangential to the skin surface, and the displacement of the object were measured on each trial. Adhesive (rosin) and lubricant (petroleum jelly) coatings were applied to the smooth metal surface of the object to alter the friction against the skin. In addition, neuronal activity evoked by force pulse-perturbations generating shear forces and slip on the skin were compared with the patterns of activity elicited by grasping and lifting the coated surfaces. Following changes in surface coatings, both monkeys modulated the rate at which grip forces normal to the skin surface and load forces tangential to the skin surface were applied during the lifting phase of the task. As a result, the ratio of the rates of change of the two forces was proportionately scaled to the surface coating properties with the more slippery surfaces, having higher ratios. This precise control of normal and tangential forces enabled the monkeys to generate adequate grip forces and prevent slip of the object. From a total of 386 single neurons recorded in the hand area of the somatosensory cortex, 92 were tested with at least 1 coating. Cell discharge changed significantly with changes in surface coating in 62 (67%) of these cells. Of these coating-related cells, 51 were tested with both an adhesive and lubricating coating, and 45 showed significant differences in activity between the untreated metal surface and either the lubricant or the adhesive coating. These cells were divided into three main groups on the basis of their response patterns. In the first group (group A), the peak discharge increased significantly when the grasped surface was covered with lubricant. These cells appeared to be selectively sensitive to slip of the object on the skin. The second group (group B) was less activated by the adhesive surface compared with either the untreated metal or the lubricated surface, and they responded mainly to variations in the force normal to the skin surface. These cells provide useful feedback for the control of grip force. The third group (group C) responded to both slips and to changes in forces tangential to the skin. Most of these cells responded with a biphasic pattern reflecting the bidirectional changes in load force as the object was first accelerated and then decelerated. One hundred sixty-eight of the 386 isolated neurons were tested with brief perturbations during the task. Of these, 147 (88%) responded to the perturbation with a significant change in activity. In most of the cells, the response to the perturbation was shorter than 100 ms with a mean latency of 44.1 +/- 16.3 (SD) ms. For each of the cell groups, the activity patterns triggered by the perturbations were consistent with the activity patterns generated during the grasping and lifting of the coated object.  (+info)

Control of fingertip forces in multidigit manipulation. (2/402)

Previous studies of control of fingertip forces in skilled manipulation have focused on tasks involving two digits, typically the thumb and index finger. Here we examine control of fingertip actions in a multidigit task in which subjects lifted an object using unimanual and bimanual grasps engaging the tips of the thumb and two fingers. The grasps resembled those used when lifting a cylindrical object from above; the two fingers were some 4.25 cm apart and the thumb was approximately 5.54 cm from either finger. The three-dimensional forces and torques applied by each digit and the digit contact positions were measured along with the position and orientation of the object. The vertical forces applied tangential to the grasp surfaces to lift the object were synchronized across the digits, and the contribution by each digit to the total vertical force reflected intrinsic object properties (geometric relationship between the object's center of mass and the grasped surfaces). Subjects often applied small torques tangential to the grasped surfaces even though the object could have been lifted without such torques. The normal forces generated by each digit increased in parallel with the local tangential load (force and torque), providing an adequate safety margin against slips at each digit. In the present task, the orientations of the force vectors applied by the separate digits were not fully constrained and therefore the motor controller had to choose from a number of possible solutions. Our findings suggest that subjects attempt to minimize (or at least reduce) fingertip forces while at the same time ensure that grasp stability is preserved. Subjects also avoid horizontal tangential forces, even at a small cost in total force. Moreover, there were subtle actions exerted by the digits that included changes in the distribution of vertical forces across digits and slight object tilt. It is not clear to what extent the brain explicitly controlled these actions, but they could serve, for instance, to keep tangential torques small and to compensate for variations in digit contact positions. In conclusion, we have shown that when lifting an object with a three-digit grip, the coordination of fingertip forces, in many respects, matches what has been documented previously for two-digit grasping. At the same time, our study reveals novel aspects of force control that emerge only in multidigit manipulative tasks.  (+info)

Trapeziectomy for basal thumb joint osteoarthritis: 3- to 19-year follow-up. (3/402)

A consecutive series of 40 trapeziectomies in 30 patients with basal thumb joint osteoarthritis was reviewed. Sixteen thumbs had pan-trapezial and 24 thumbs trapeziometacarpal osteoarthritis. Simple excision without soft tissue interposition was performed by the same surgeon using an identical surgical technique. Twenty-eight patients were female (mean age 57 years) with a mean follow-up of 11 (3-19) years. Twenty-eight patients were satisfied with their operation, with 26 thumbs being pain free. Thumb pinch strength was improved by 40% compared to preoperative values, but still remained 22% weaker than the non-operated side.  (+info)

Holt-Oram syndrome revisited. Two patients in the same family. (4/402)

Holt-Oram syndrome was first described in 1960 as an association of familial heart disease and musculoskeletal abnormalities. The most important findings include atrial septal defects, atrioventricular conduction abnormalities, vascular hypoplasia, and upper limb musculoskeletal deformities. We report two patients with this syndrome in the same family and discuss the variability of the musculoskeletal abnormalities and their association with the cardiac morphologic defects. Both patients in this study had associated eosinophilia, which has not been reported in the literature.  (+info)

Activity-dependent conduction block in multifocal motor neuropathy. (5/402)

Patients with multifocal motor neuropathy may complain of muscle fatigue, even though the degree of conduction block assessed at rest has improved with treatment. To explore the mechanism involved, we examined changes in muscle force during maximum voluntary contraction (MVC) and monitored conduction block before and after MVC in five patients with multifocal motor neuropathy. The results were compared with those for the contralateral unaffected homonymous muscles. For one patient, who had bilateral involvement, a normal subject of a similar age and stature served as the control. Results of conduction studies were also compared with those from six patients with amyotrophic lateral sclerosis (ALS) with similar compound muscle action potential (CMAP) amplitudes after proximal stimulation. During MVC for 60 s, the affected muscles developed prominent fatigue; the force at the end of contraction compared with the initial force was significantly lower for the affected muscles [42 +/- 19% (mean +/- standard deviation) of the initial force] than for the control muscles (94 +/- 9%; P = 0.01). After MVC, the amplitude ratio of CMAPs after proximal versus distal nerve stimulation transiently decreased to 19 +/- 14% of that before MVC in the affected muscles, but not in the control muscles (94 +/- 3.8% of that before MVC) and in patients with ALS (95 +/- 6.7%). In one patient with a focal lesion in the forearm, nerve excitability was monitored at the lesion site before and after MVC for 120 s. There were significant increases in axonal threshold (approximately 48%) and supernormality (approximately 135%) immediately after MVC, suggesting that the axonal membrane had undergone hyperpolarization and, by extrapolation, that this had precipitated the conduction block. This study is the first to show that activity-dependent conduction block plays a role in human disease by causing muscle fatigue.  (+info)

Randomized controlled trial of nettle sting for treatment of base-of-thumb pain. (6/402)

There are numerous published references to use of nettle sting for arthritis pain but no randomized controlled trials have been reported. We conducted a randomized controlled double-blind crossover study in 27 patients with osteoarthritic pain at the base of the thumb or index finger. Patients applied stinging nettle leaf (Urtica dioica) daily for one week to the painful area. The effect of this treatment was compared with that of placebo, white deadnettle leaf (Lamium album), for one week after a five-week washout period. Observations of pain and disability were recorded for the twelve weeks of the study. After one week's treatment with nettle sting, score reductions on both visual analogue scale (pain) and health assessment questionnaire (disability) were significantly greater than with placebo (P = 0.026 and P = 0.0027).  (+info)

Effects of repetitive transcranial magnetic stimulation on movement-related cortical activity in humans. (7/402)

Several lines of evidence suggest that low-rate repetitive transcranial magnetic stimulation (rTMS) of the motor cortex at 1 Hz reduces the excitability of the motor cortex and produces metabolic changes under and at a distance from the stimulated side. Therefore, it has been suggested that rTMS may have beneficial effects on motor performance in patients with movement disorders. However, it is still unknown in what way these effects can be produced. The aim of the present study is to investigate whether rTMS of the motor cortex (15 min at 1 Hz) is able to modify the voluntary movement related cortical activity, as reflected in the Beretischaftspotential (BP), and if these changes are functionally relevant for the final motor performance. The cortical movement-related activity in a typical BP paradigm of five healthy volunteers has been recorded using 61 scalp electrodes, while subjects performed self-paced right thumb oppositions every 8-20 s. After a basal recording, the BP was recorded in three different conditions, counterbalanced across subjects: after rTMS stimulation of the left primary motor area (M1) (15 min, 1 Hz, 10% above motor threshold), after 15 min of sham rTMS stimulation and following 15 min of voluntary movements performed with spatio-temporal characteristics similar to those induced by TMS. The tapping test was used to assess motor performance before and after each condition. Only movement-related trials with similar electromyographic (onset from muscular 'silence') and accelerometric patterns (same initial direction and similar amplitudes) were selected for computing BP waveforms. TMS- evoked and self-paced thumb movements had the same directional accelerometric pattern but different amplitudes. In all subjects, the real rTMS, but neither sham stimulation nor prolonged voluntary movements, produced a significant amplitude decrement of the negative slope of the BP; there was also a shortening of the BP onset time in four subjects. The effect was topographically restricted to cortical areas which were active in the basal condition, irrespective of the basal degree of activation at every single electrode. No changes in the tapping test occurred. These findings suggest that rTMS of the motor cortex at 1 Hz may interfere with the movement related brain activity, probably through influence on cortical inhibitory networks.  (+info)

Volar plate arthroplasty of the thumb interphalangeal joint. (8/402)

The fibrocartilaginous volar plate of the thumb interphalangeal joint is anatomically quite similar to the volar plate of the digital proximal interphalangeal joint. Due to this similarity, Eaton's technique of volar plate arthroplasty may also be utilized in fracture-dislocations of the thumb interphalangeal joint.  (+info)

In medical terms, the thumb is referred to as "pollex" and it's the first digit of the hand, located laterally to the index finger. It's opposable, meaning it can move opposite to the other fingers, allowing for powerful gripping and precise manipulation. The thumb contains two phalanges bones - the distal and proximal - and is connected to the hand by the carpometacarpal joint, which provides a wide range of motion.

The carpometacarpal (CMC) joints are the articulations between the carpal bones of the wrist and the metacarpal bones of the hand. There are five CMC joints in total, with one located at the base of each finger and thumb. The CMC joint of the thumb, also known as the first CMC joint or trapeziometacarpal joint, is the most commonly affected by osteoarthritis. These joints play a crucial role in hand function and movement, allowing for various grips and grasping motions.

The metacarpophalangeal (MCP) joint is the joint that connects the bones of the hand (metacarpals) to the bones of the fingers and thumb (phalanges). It's also commonly referred to as the "knuckle" joint. The MCP joint allows for flexion, extension, abduction, and adduction movements of the fingers and thumb. It is a synovial joint, which means it contains a lubricating fluid called synovial fluid that helps reduce friction during movement.

In medical terms, fingers are not specifically defined as they are common anatomical structures. However, I can provide you with a general anatomy definition:

Fingers are the terminal parts of the upper limb in primates, including humans, consisting of four digits (thumb, index, middle, and ring fingers) and one opposable thumb. They contain bones called phalanges, connected by joints that allow for movement and flexibility. Each finger has a nail, nerve endings for sensation, and blood vessels to supply nutrients and oxygen. Fingers are crucial for various activities such as grasping, manipulating objects, and tactile exploration of the environment.

Trigger finger, also known as stenosing tenosynovitis, is a condition where one of the fingers or thumbs becomes stuck in a bent position and then straightens with a snap, much like pulling and releasing the trigger on a gun. The ring finger is most commonly affected, but it can occur in other fingers and thumbs as well.

In this disorder, the tendon sheath that surrounds the flexor tendons in the finger becomes inflamed and thickened, making it difficult for the tendon to glide smoothly through it. This results in the finger catching or locking in a bent position, which can be painful to straighten out.

The exact cause of trigger finger is not always known, but it is more common in women than men, and people with certain medical conditions such as diabetes and rheumatoid arthritis are at higher risk. Treatment options may include rest, splinting, medication, or surgery, depending on the severity of the condition.

A finger joint, also known as an articulation, is the point where two bones in a finger connect and allow for movement. The majority of finger joints are classified as hinge joints, permitting flexion and extension movements. These joints consist of several components:

1. Articular cartilage: Smooth tissue that covers the ends of the bones, enabling smooth movement and protecting the bones from friction.
2. Joint capsule: A fibrous sac enclosing the joint, providing stability and producing synovial fluid for lubrication.
3. Synovial membrane: Lines the inner surface of the joint capsule and produces synovial fluid to lubricate the joint.
4. Volar plate (palmar ligament): A strong band of tissue located on the palm side of the joint, preventing excessive extension and maintaining alignment.
5. Collateral ligaments: Two bands of tissue located on each side of the joint, providing lateral stability and limiting radial and ulnar deviation.
6. Flexor tendons: Tendons that attach to the bones on the palmar side of the finger joints, facilitating flexion movements.
7. Extensor tendons: Tendons that attach to the bones on the dorsal side of the finger joints, enabling extension movements.

Finger joints are essential for hand function and enable activities such as grasping, holding, writing, and manipulating objects.

Hand strength refers to the measure of force or power that an individual can generate using the muscles of the hand and forearm. It is often assessed through various tests, such as grip strength dynamometry, which measures the maximum force exerted by the hand when squeezing a device called a handgrip dynanometer. Hand strength is important for performing daily activities, maintaining independence, and can be indicative of overall health and well-being. Reduced hand strength may be associated with conditions such as neuromuscular disorders, arthritis, or injuries.

Congenital hand deformities refer to physical abnormalities or malformations of the hand, wrist, and/or digits (fingers) that are present at birth. These deformities can result from genetic factors, environmental influences during pregnancy, or a combination of both. They may affect the bones, muscles, tendons, joints, and other structures in the hand, leading to varying degrees of impairment in function and appearance.

There are numerous types of congenital hand deformities, some of which include:

1. Polydactyly: The presence of extra digits on the hand, which can be fully formed or rudimentary.
2. Syndactyly: Webbing or fusion of two or more fingers, which may involve soft tissue only or bone as well.
3. Clinodactyly: A curved finger due to a sideways deviation of the fingertip, often affecting the little finger.
4. Camptodactyly: Permanent flexion or bending of one or more fingers, typically involving the proximal interphalangeal joint.
5. Trigger Finger/Thumb: A condition where a finger or thumb becomes locked in a bent position due to thickening and narrowing of the tendon sheath.
6. Radial Club Hand (Radial Ray Deficiency): Underdevelopment or absence of the radius bone, resulting in a short, curved forearm and hand deformity.
7. Ulnar Club Hand (Ulnar Ray Deficiency): Underdevelopment or absence of the ulna bone, leading to a short, curved forearm and hand deformity.
8. Cleidocranial Dysplasia: A genetic disorder affecting bone growth, resulting in underdeveloped or absent collarbones, dental abnormalities, and occasionally hand deformities.
9. Apert Syndrome: A rare genetic disorder characterized by the fusion of fingers and toes (syndactyly) and other skeletal abnormalities.
10. Holt-Oram Syndrome: A genetic disorder involving heart defects and upper limb deformities, such as radial ray deficiency or thumb anomalies.

Treatment for hand deformities varies depending on the specific condition and severity. Options may include physical therapy, bracing, splinting, medications, or surgical intervention.

The trapezium bone is a carpal bone located in the wrist, more specifically in the proximal row of carpals. It is situated at the radial side (thumb side) of the wrist and articulates with the Scaphoid bone proximally, the First Metacarpal bone distally, and the Trapezoid and Capitate bones laterally. Its unique shape resembles that of a trapezoid, hence its name. The trapezium plays a crucial role in wrist movements, particularly in thumb abduction and opposition.

Finger injuries refer to any damage or trauma caused to the fingers, which can include cuts, bruises, dislocations, fractures, and sprains. These injuries can occur due to various reasons such as accidents, sports activities, falls, or direct blows to the finger. Symptoms of finger injuries may include pain, swelling, stiffness, deformity, numbness, or inability to move the finger. The treatment for finger injuries varies depending on the type and severity of the injury, but may include rest, immobilization, ice, compression, elevation, physical therapy, medication, or surgery. It is essential to seek medical attention promptly for proper diagnosis and treatment of finger injuries to prevent further complications and ensure optimal recovery.

Polydactyly is a genetic condition where an individual is born with more than the usual number of fingers or toes, often caused by mutations in specific genes. It can occur as an isolated trait or as part of a genetic syndrome. The additional digit(s) may be fully formed and functional, underdeveloped, or just a small bump. Polydactyly is one of the most common congenital limb abnormalities.

A rheumatic nodule is not a specific medical definition, but rather a descriptive term for a type of nodule that can be found in certain medical conditions. These nodules are typically associated with rheumatoid arthritis (RA), although they can also occur in other diseases such as systemic lupus erythematosus (SLE) and dermatomyositis.

Rheumatic nodules are small, firm, round or oval-shaped lumps that develop under the skin or in certain organs such as the lungs. They can vary in size from a few millimeters to several centimeters in diameter. In RA, these nodules usually appear on the forearms, elbows, fingers, knees, and ankles, although they can occur in other areas of the body as well.

Histologically, rheumatic nodules are characterized by a central area of fibrinoid necrosis surrounded by palisading histiocytes and fibroblasts. They may also contain lymphocytes, plasma cells, and eosinophils. The presence of these nodules is thought to be related to the immune system's response to the underlying disease process, although their exact cause and significance are not fully understood.

It is important to note that rheumatic nodules can also occur in individuals without any known medical condition, and their presence does not necessarily indicate the presence of a specific disease. However, if you notice any new or unusual lumps or bumps on your body, it is always a good idea to consult with a healthcare professional for further evaluation and diagnosis.

In medical terms, toes are the digits located at the end of the foot. Humans typically have five toes on each foot, consisting of the big toe (hallux), second toe, third toe, fourth toe, and little toe (fifth toe). The bones of the toes are called phalanges, with the exception of the big toe, which has a different bone structure and is composed of a proximal phalanx, distal phalanx, and sometimes a sesamoid bone.

Toes play an essential role in maintaining balance and assisting in locomotion by helping to push off the ground during walking or running. They also contribute to the overall stability and posture of the body. Various medical conditions can affect toes, such as ingrown toenails, bunions, hammertoes, and neuromas, which may require specific treatments or interventions to alleviate pain, restore function, or improve appearance.

In medical terms, a hand is the part of the human body that is attached to the forearm and consists of the carpus (wrist), metacarpus, and phalanges. It is made up of 27 bones, along with muscles, tendons, ligaments, and other soft tissues. The hand is a highly specialized organ that is capable of performing a wide range of complex movements and functions, including grasping, holding, manipulating objects, and communicating through gestures. It is also richly innervated with sensory receptors that provide information about touch, temperature, pain, and proprioception (the sense of the position and movement of body parts).

A splint is a device used to support, protect, and immobilize injured body parts, such as bones, joints, or muscles. It can be made from various materials like plastic, metal, or fiberglass. Splints are often used to keep the injured area in a stable position, reducing pain, swelling, and further damage while the injury heals. They come in different shapes and sizes, tailored to fit specific body parts and injuries. A splint can be adjustable or custom-made, depending on the patient's needs. It is essential to follow healthcare professionals' instructions for using and caring for a splint to ensure proper healing and prevent complications.

The metacarpal bones are the long slender bones that make up the middle part of the hand, located between the carpals (wrist bones) and the phalanges (finger bones). There are five metacarpal bones in total, with one for each finger and thumb. Each bone has a base attached to the carpals, a shaft, and a head that connects to the phalanges. The metacarpal bones play a crucial role in hand function, providing stability and support during gripping and manipulation movements.

Traumatic amputation is the accidental or spontaneous separation of a limb or body part due to trauma or severe injury. This can occur as a result of motor vehicle accidents, industrial incidents, agricultural mishaps, or military combat, among other causes. The severed portion may or may not be recoverable for reattachment depending on various factors such as the extent of damage, ischemia time, and conditions during transportation. Immediate medical attention is required to control bleeding, manage shock, prevent infection, and initiate appropriate wound care and potential reconstructive surgery.

The metacarpus is the medical term for the part of the hand located between the carpus (wrist) and the digits (fingers). It consists of five bones, known as the metacarpal bones, which are numbered 1 to 5 from the thumb side to the little finger side. Each metacarpal bone has a base, a shaft, and a head. The bases of the metacarpal bones articulate with the carpal bones to form the wrist joint, while the heads of the metacarpal bones form the knuckles at the back of the hand.

The metacarpus plays an essential role in hand function as it provides stability and support for the movement of the fingers and thumb. Injuries or conditions affecting the metacarpus can significantly impact hand function, causing pain, stiffness, weakness, or deformity.

Neoprene is not a medical term, but it is a material that is used in some medical applications. Neoprene is a type of synthetic rubber that is known for its flexibility, durability, and resistance to heat, water, and chemicals. It is often used in the manufacture of medical devices such as braces, supports, and protective gear.

In medical terms, neoprene may be referred to as a component of a device or material used in medical applications. For example, a neoprene sleeve may be used as a compression garment for venous insufficiency or lymphedema management. Neoprene is also sometimes used in the manufacture of medical gloves and other protective equipment due to its resistance to chemicals and other substances.

However, it's important to note that some people may have allergic reactions to neoprene, causing skin irritation or other symptoms. Therefore, healthcare providers should consider patients' individual needs and potential allergies when selecting medical devices made of neoprene or other materials.

In the context of medicine and healthcare, "movement" refers to the act or process of changing physical location or position. It involves the contraction and relaxation of muscles, which allows for the joints to move and the body to be in motion. Movement can also refer to the ability of a patient to move a specific body part or limb, which is assessed during physical examinations. Additionally, "movement" can describe the progression or spread of a disease within the body.

Acquired hand deformities refer to structural changes in the hand or fingers that occur after birth, as a result of injury, illness, or other external factors. These deformities can affect any part of the hand, including the bones, joints, muscles, tendons, ligaments, and nerves. Common causes of acquired hand deformities include trauma, infection, degenerative diseases such as arthritis, tumors, and neurological conditions.

The symptoms of acquired hand deformities can vary depending on the severity and location of the deformity. They may include pain, stiffness, swelling, decreased range of motion, loss of function, and changes in appearance. Treatment for acquired hand deformities may involve a combination of medical interventions, such as medication, physical therapy, or splinting, as well as surgical procedures to correct the underlying structural problem. The goal of treatment is to relieve symptoms, improve function, and restore normal appearance and movement to the hand.

An encyclopedia is a comprehensive reference work containing articles on various topics, usually arranged in alphabetical order. In the context of medicine, a medical encyclopedia is a collection of articles that provide information about a wide range of medical topics, including diseases and conditions, treatments, tests, procedures, and anatomy and physiology. Medical encyclopedias may be published in print or electronic formats and are often used as a starting point for researching medical topics. They can provide reliable and accurate information on medical subjects, making them useful resources for healthcare professionals, students, and patients alike. Some well-known examples of medical encyclopedias include the Merck Manual and the Stedman's Medical Dictionary.

Hallux Valgus is a medical condition that affects the foot, specifically the big toe joint. It is characterized by the deviation of the big toe (hallux) towards the second toe, resulting in a prominent bump on the inner side of the foot at the base of the big toe. This bump is actually the metatarsal head of the first bone in the foot that becomes exposed due to the angulation.

The deformity can lead to pain, stiffness, and difficulty wearing shoes. In severe cases, it can also cause secondary arthritis in the joint. Hallux Valgus is more common in women than men and can be caused by genetic factors, foot shape, or ill-fitting shoes that put pressure on the big toe joint.

"Hallux" is a medical term that refers to the big toe or great toe, which is the first digit of the human foot. It is derived from Latin, where "hallus" means "big toe." In some contexts, specific pathologies or conditions related to the big toe may also be referred to as hallux issues, such as hallux valgus (a common foot deformity where the big toe drifts toward the second toe) or hallux rigidus (a form of degenerative arthritis that affects the big toe joint).

A medical dictionary is a reference book that contains definitions and explanations of medical terms and jargon. It serves as a useful tool for healthcare professionals, students, patients, and anyone else who needs to understand medical terminology. Medical dictionaries can include definitions of diseases, conditions, treatments, procedures, drugs, equipment, anatomy, and more. They may also provide pronunciation guides, etymologies, and abbreviations.

Medical dictionaries can be found in print or digital form, and some are specialized to cover specific areas of medicine, such as oncology, psychiatry, or surgery. Some medical dictionaries are also bilingual, providing translations of medical terms between different languages. Overall, a medical dictionary is an essential resource for anyone who needs to communicate effectively in the field of medicine.

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... , also known as gamer's thumb and similar names, is a form of repetitive strain injury (RSI) caused by excessive ... PlayStation Thumb is defined similar to Nintendo Thumb, where it refers to a repetitive strain injury (RSI) caused by excessive ... The writer dubbed the condition, "PS2 thumb." While named similarly to Nintendo thumb, the two do not have the same cause. ... Video game-related health problems Blackberry thumb Tennis elbow Golfer's elbow "Gamer's thumb: a looming injury for console ...
... thumb tribe'" .." 25 March 2002, BBC News, Thumbs take over for text generation, Accessed June 19, 2014, "...thumbs of ... Thumb tribe (or sometimes thumb generation) is the younger generation with members who are more adept at texting using their ... under-25s referred to themselves as oya yubi sedai - the thumb generation, or thumb tribe..." MICHELLE QUINN, August 1, 2010, ... The Thumb Tribe, Accessed June 19, 2014, "..'THUMB TRIBE' referring to the masses of young people around the world ..." Amelia ...
The Vulcan's Thumb is a rock pinnacle in the Pacific Ranges of southwestern British Columbia, Canada. It is the largest of a ... Three eruptive stages built the Mount Cayley massif, the second of which is named after the Vulcan's Thumb. Cascade Volcanoes ...
... was the inaugural Resident Company at Playwrights Horizons beginning in 2014. Clubbed Thumb remains purposely, ... a clubbed thumb is defined as a digit missing the phalange that represents Reason! Further, possessors of a clubbed thumb are ... Clubbed Thumb released a volume of produced plays, Funny, Strange, Provocative: Seven Plays from Clubbed Thumb, published ... "clubbed thumb"... fatefully because in this Victorian pseudo-science (as Clubbed Thumb fans will find appropriate), ...
... weather forecast Flickr photo: Split Thumb Icefall Photo: "Split Thumb" Account of first ascent: Americanalpineclub ... "Split Thumb, Alaska". Retrieved 2020-03-27. "Split Thumb". Retrieved 2020-03-27. "Split Thumb - ... Split Thumb is surrounded by the Lemon Creek Glacier to the west, and Norris Glacier to east. The Split Thumb Icefall is set on ... Split Thumb is a 5,523 ft (1,680 m) glaciated mountain summit located in the Boundary Ranges of the Coast Mountains, in the U.S ...
... es attach to one's thumb using a small elastic band. The first commercially successful orienteering thumb compass ... consisting solely of a needle capsule strapped to the carpometacarpal joint at the base of the thumb; the thumb serves the ... Thumb compasses are also often transparent so that an orienteer can hold a map in the hand with the compass and see the map ... A thumb compass is a type of compass commonly used in orienteering, a sport in which map reading and terrain association are ...
The thumb break is held in place by a simple snap mechanism, usually metal, which may be disengaged by pushing the thumb upward ... The thumb break is made of the same material as the holster or sheath (i.e., leather or nylon), and may either be permanently ... A thumb break or retaining strap is a safety device installed on many holsters and sheaths to prevent a weapon from being ... The thumb break helps to prevent an unauthorized person from drawing a pistol or knife from another person's body. It also ...
... may refer to the following features in Yellowstone National Park: The most western portion of Yellowstone Lake ... a thermal area on the shores of that portion of Yellowstone Lake West Thumb Junction, used to refer to the general area of the ... used interchangeably with nearby Grant Village This disambiguation page lists articles associated with the title West Thumb. If ... formed by a volcanic eruption 174,000 years ago West Thumb Geyser Basin, ...
Many thumb bibles were intended for children and were decorated with pictures. The first Thumb Bibles were published in the ... The term 'Thumb Bible' was first coined by Longman and Co. of London in the mid-nineteenth century, when they used it on the ... The first known Thumb Bible was written by John Weever in verse form. Entitled An Agnus Dei, it appeared in London in 1601. It ... The first Thumb Bible in prose was published in London in 1727, under the title Biblia or a Practical Summary of ye Old & New ...
However, in thumb position, the thumb usually rests alongside the fingers on the string and the side of the thumb is used to ... As with the double bass, one issue with the use of thumb position is that it is harder to produce vibrato with the thumb than ... One issue with the use of thumb position is that it is harder to produce vibrato with the thumb than with the fingers, because ... Bass instruction books often teach thumb position by having the player place the left-hand thumb on the high (one-lined) G note ...
... may refer to the following mountains or landmarks: Devils Thumb, a mountain on the Alaska-British Columbia border ... Devils Thumb (Washington), a mountain in the Cascade Range in Washington state Devil's Thumb (Greenland), a mountain on ... California Devil's Thumb (Queensland), a prominent rocky outcrop in Far North Queensland, Australia This disambiguation page ... Yellowstone National Park Devil's Thumb (California), a prominent rock outcrop in the American River (middle Fork) canyon, ...
... is a Danish soul/funk orchestra formed in 1989 by the two guitarists Martin Finding and Nicolai Halberg. In 1997, ... 1993: Ridin' Thumb v t e (Articles with short description, Short description matches Wikidata, Articles lacking ...
... is a precipitous volcanic plug that rises in the skyline to the west of Suva, Fiji. It is located 15 kilometers ... The Thumb had beaten us again." In 1983, 30 years after his successful Everest expedition, he reached the summit of Joske's ... Joske's Thumb is also a historical nesting site for Falco peregrinus nesiotes, Fiji's endemic peregrine falcon. Along with the ... He made two attempts to climb Joske's Thumb, the first of which ended before reaching the base of the mountain, due to heavy ...
... , also known as distal hyperextensibility of the thumb, is the condition of having a thumb that has a distal ... This is a photo of a hitchhiker's thumb. The exact cause of isolated hitchhiker's thumb is not known, it is thought to be ... "What Is Hitchhiker's Thumb?". WebMD. Shetty, Aditya. "Hitchhiker thumb deformity , Radiology Reference Article , Radiopaedia. ... The signs of this trait are having a thumb with a distal phalange that is able to bend backwards beyond the normal range of ...
... was born in Bezau on 18 December 1681, a son of the Vorarlberg master builder Michael Thumb. He first went to work ... Thumb died in Konstanz on 4 March 1766. Streets have been named after Thumb in Freiburg im Breisgau, in St. Peter ( ... Peter Thumb (18 December 1681 - 4 March 1766) was an Austrian architect and master builder whose family came from Bezau, ... Peter, Thumb abandoned the traditional Vorarlberg wall pier scheme of church construction. As in the pilgrimage church of ...
50 Tricks with a Thumb Tip: A Manual of Thumb Tip Magic by Milbourne Christopher (1948) Dusheck's Thumb Tip Magic by Steve ... A thumb tip is a magician's prop designed to fit over and appear to be the magician's thumb used for vanishing, producing, or ... The right thumb is inserted into the left fist, while simultaneously the thumb and right fingers pull the concealed object out ... Magicians have used modified thumb tips to accomplish different effects. A thumb tip with a slit in the tip can be used like a ...
A thumb index, also called a cut-in index or an index notch, is a round cut-out in the pages of dictionaries, encyclopedias, ... The individual notches are called thumb cuts. Several ways to achieve this indexing effect were invented and patented in the ... Index (publishing) "thumb index". Bookbinding and the Conservation of Books: A Dictionary of Descriptive Terminology. ...
The Thumb Fire took place on September 5, 1881, in the Thumb area of Michigan in the United States. The fire, which burned over ... August and the first days of September 1881 were hotter than usual, and the Thumb had had a rain deficit since April; in ... The blaze, also called the Great Thumb Fire, the Great Forest Fire of 1881 and the Huron Fire, killed 282 people in Sanilac, ... Chart of the Burnt District of Michigan - Map of Thumb Fire Impact Wildland Fire In Michigan. Wayback Version. 43°48′N 83°00′W ...
"Thumb Tripping (1972) - Overview". 1972-09-27. Retrieved 2015-06-13. Thumb Tripping at IMDb Thumb Tripping at Rotten ... Thumb Tripping is an American 1972 drama film directed by Quentin Masters, written by Don Mitchell, and starring Michael Burns ... "Thumb-Tripping - Trailer - Cast - Showtimes". Movies & TV Dept. The New York Times. Baseline & All Movie Guide. Archived from ...
"Devils Thumb". BC Geographical Names. Devils Thumb on Topozone "Devil's Thumb". (Articles with short description, ... Devils Thumb is a very challenging climb even for advanced mountain climbers. Devils Thumb is part of a group of striking, ... Devils Thumb,[1][2] or Taalkhunaxhkʼu Shaa in Tlingit, is a mountain in the Stikine Icecap region of the Alaska-British ... Other peaks in the area include the Witches Tits and Cat's Ears Spires (part of the western ridge of the Devils Thumb massif ...
The triphalangeal thumb has a different appearance than normal thumbs. The appearance can differ widely; the thumb can be a ... For the thumb to adequately grip, certain thumb criteria must be met (e.g. suitable position and length, stable joints and good ... Triphalangeal thumb can occur in syndromes but it can also be isolated. The triphalangeal thumb can appear in combination with ... Triphalangeal thumb (TPT) is a congenital malformation where the thumb has three phalanges instead of two. The extra phalangeal ...
... is a 1,978-foot (603 m) steep-sided monadnock located in Hancock, New Hampshire approximately 13 mi (21 km) east ...
The great Thumb Fire took place on September 5, 1881, in the Thumb area of Michigan. The fire, which burned over a million ... Clair County (at the southern end of the Thumb) and others to the north, such as Port Austin (at the tip of the Thumb). See ... Thumb Cellular has been providing rural cellular service to the Thumb area since 1991. The I-69 International Trade Corridor is ... Thumb diggings; adventures into Michigan's Thumb area. Lexington, Mich, 1962. The Great Fire of 1881: A Collection of Stories. ...
... is an activity that is done with the hands of an individual whereby the fingers are interlocked and the thumbs ... Thumb twiddling can be used as a simple test for manual dexterity. Contra-rotation involves moving the thumbs in opposing ... Thumb wrestling Hayes, Justin Cord. 747 Things to Do on a Plane: From Lift-off to Landing, All You Need to Make Your Travels ... While thumb twiddling comes naturally for almost everyone, it is extremely rare for people to be able to naturally contra- ...
Wikiquote has quotations related to Thumb Wars. Thumb Wars at IMDb Thumb Wars at AllMovie Thumb Wars on Rotten Tomatoes https ... a one-eyed thumb appears in each one; in Thumb Wars, the one-eyed thumb is the bartender at the cantina. Thumb Wars was first ... Thumb Wars: The Phantom Cuticle is a 1999 short film directed by Steve Oedekerk. Using dressed up and coifed thumbs as puppets ... It is the first film in the Thumbs! series. Thumb Wars debuted on American television May 18, 1999, on UPN. It had its cable ...
The Thumb member of the Horse Spring Formation is a geologic formation in Nevada. It contains sandstone with beds of ... "Thumb Member of Horse Spring Formation". United States Geological Survey. 3 May 2017. Retrieved 14 October ...
... may refer to: Thumb Peak (Arizona) in Arizona, USA Thumb Peak (British Columbia) in British Columbia, Canada Thumb ...
... like an aberrant long thumb flexor - flexor pollicis longus). - Type IV is called a pouce flottant, floating thumb. This thumb ... Thumb hypoplasia is a spectrum of congenital abnormalities of the thumb varying from small defects to complete absence of the ... Type I: the thumb is small, normal components are present but undersized. Two muscles of the thumb, the abductor pollicis ... In this period something goes wrong with the growth of the thumb but the exact cause of thumb hypoplasia is unknown. One out of ...
A thumb signal, usually described as a thumbs-up or thumbs-down, is a common hand gesture achieved by a closed fist held with ... Where Does the Thumbs-Up Gesture Really Come From?, Time *^ "Ancient Rome, thumbs up & thumbs down meant the opposite of what ... the total number of thumbs up and thumbs down given to an item or the number produced by subtracting thumbs down from thumbs up ... the thumb up meaning a positive opinion of a film; the thumb down meaning a negative one. The trademarked phrase "two thumbs up ...
Prehensility Thumb signal Thumb twiddling Thumb war Pollicization clinicalconsiderations at The Anatomy Lesson by Wesley Norman ... which is a thumb with a congenitally short distal phalanx), a triphalangeal thumb (which is a thumb which has 3 phalanges ... most muscles attached to the thumb tend to be active during most thumb motions. The muscles acting on the thumb can be divided ... It extends the thumb and, because of its close relationship to the long abductor, also abducts the thumb. It is innervated by ...
AP) The Detroit Pistons guard Rodney Stuckey broke a bone in his right thumb after catching it in a car door. ... AP) The Detroit Pistons guard Rodney Stuckey broke a bone in his right thumb after catching it in a car door. ... AP) The Detroit Pistons guard Rodney Stuckey broke a bone in his right thumb after catching it in a car door. ... Pistons Rodney Stuckey breaks thumb. AUBURN HILLS, Mich. ( ...
The user can move the thumb along the input's track to alter its numerical value. ... moz-range-thumb CSS pseudo-element is a Mozilla extension that represents the thumb (i.e., virtual knob) of an ,input, of type ... moz-range-thumb. CSS pseudo-element is a Mozilla extension that represents the thumb (i.e., virtual knob) of an ,input,. of ... moz-range-thumb. Non-standard: This feature is non-standard and is not on a standards track. Do not use it on production sites ...
Home Sony HDR-TD10 Full HD 3D Camcorder [CES 2011] sony3_thumb.png ...
A sprained thumb can also occur during a fall. ... A sprained thumb is a common occurance in sports such as ... The thumb may bend outside its normal range of movement because of excessive force. This backward movement of the thumb results ... How to Heal a Sprained Thumb. A sprained thumb is a common occurrence in sports such as volleyball and football as the players ... Often, people ignore a sprained thumb with the hope that it will resolve its own. However, if the sprained thumb is not treated ...
Marriages between filmmakers are tinderboxes. Theyre never long for this world, especially if the husband is a director-screenwriter-producer and the wife is an actress, and double especially when they make films together. Jointly-created films are like children, and if the film fails to ignite commercially and/or boost the career of the wife, the parents will start to blame themselves. Most talented actresses are intensely ambitious and no day at the beach to begin with, and this will only intensify if you put them in a movie that doesnt take off or make them seem as mesmerizing or pistol-hot or Meryl Streep-ish as they feel is their due. It becomes even worse, obviously, if the husband has an issue or two of his own, which is not unusual among director-writer-producers. On top of which infidelity is so easy on that level.. ...
... Michael Terry michael.terry at Wed Mar 18 20:03:24 UTC 2015 *Previous message: ... if you want to boot a thumb drive containing the snappy alpha image, , , you cant use dd directly. You need to convert it from ...
Some even start sucking their thumbs when they are still in the womb. ... Some even start sucking their thumbs when they are still in the womb. ... Thumb sucking can make children feel secure and happy. They may suck their thumbs when they are tired, hungry, bored, stressed ... Pacifiers and thumb sucking. ...
National Committee to Preserve Social Security and Medicare© Copyright ...
TinyScreen is the size of your thumb and still supports full color. ... TinyScreen thumb-sized display supports full color. .legacy #content.article .image-holder #pc9712748ea0423483c85ed42052c1337 ...
Supports like the Thum-Eez Clarinet Thumb Rest Cushion at Musicians Friend. Get a low price and free shipping on thousands of ... Thum-Eez Clarinet Thumb Rest Cushion. true. true. 5.0 out of 5 stars with (12) total reviews Q&A SKU #460901000000000 ... The Bay Thumbeeze is designed to cushion the thumb by dispersing the the weight of the clarinet into a wider space. Black. ... ":"The Bay Thumbeeze is designed to cushion the thumb by dispersing the the weight of the clarinet into a wider space. Black ...
The Violinists Thumb , From New York Times bestselling author Sam Kean comes incredible stories of science, history, language ... In The Violinists Thumb, he explores the wonders of the magical building block of life: DNA. There are genes to explain crazy ... In The Violinists Thumb, he explores the wonders of the magical building block of life: DNA. There are genes to explain crazy ... The Violinists Thumb : And Other Lost Tales of Love, War, and Genius, as Written by Our Genetic Code ...
The Green Thumb Behind November 10, 1999 • 7 min read When Clifford Sharples and two partners created in ...
Tampa Bay techie Joey deVilla on software, hardware, and everything in between ...
... rule of thumb when it comes to the percentage of stocks in your retirement savings and --again! -- advises against taking ... The problem with a "rule of thumb" is that it is rarely appropriate. I think that guideline of "110 minus your age equals the ... This week, Gail explains why there is no "rule of thumb" when it comes to the percentage of stocks in your retirement savings ...
By repetitively wringing the necks of game (eg, chickens) between their thumb and index finger, these workers produced a ... of the thumb were first recognized as an occupational condition in European gamekeepers. ... Skiers thumb is an injury caused by damage to the ulnar collateral ligament (UCL) of the thumb, most often due to a skiing ... encoded search term (Skiers Thumb) and Skiers Thumb What to Read Next on Medscape ...
If youre at your wits end in helping your child figure out how to stop thumb sucking, these tips may be just what you need. ... Thumb sucking doesnt always affect the teeth, but if your child sucks their thumb past the age of 4, or sucks often or ... Observe thumb-sucking patterns. If you notice your child only sucks their thumb before bedtime, they may just need another way ... You can also read a book, like Thumbs Up, Brown Bear or I Can Do It - I Dont Need My Thumb. ...
This store is now owned by C&S Wholesale Grocers, with pickup offered through Instacart.. Note: coupons and rewards will not be applied.. Continue to Instacart, or go back to shop in-store using your deals and rewards.. ...
Although cloud services have made thumb drives a bit less useful for a lot of us, theyre still a staple of every geeks ... Thumbs can store a mess of files, or they can have a single purpose that makes them a lot more useful. This way you never have ... Some thumb drives start as mix tapes, so its not a far stretch to repurpose a drive you already have for the purpose. You can ... Thumb drives are potentially system lifesavers, as they can house all sorts of helpful utilities and can even act as a boot ...
The thumb flew off, never to be found. But doctors have now replaced it with his second left toe. ... chopped off his left thumb in April while doing woodwork in his garage. ... His thumb does bend and straighten pretty well, Nye told WKRN. Thats the most motion Ive ever seen out of a toe-to-thumb ... It turned out it was his thumb. He was rushed to the hospital and doctors said they had four hours to reattach his thumb, but ...
Illegal immigrant gives Customs and Border Protection thumbs up after Otay Mountain rescue. ... with a thumbs up gesture, CBP San Diego said. ...
Duterte thumbs down Manila Bay reclamation projects. By: Darryl John Esguerra - Reporter / @DJEsguerraINQ ...
Fits most thumbs. WARNING: CHOKING HAZARD. SMALL PARTS. NOT SUITABLE FOR CHILDREN UNDER 3 YEARS. ... Put this hat on your thumb. Fits most thumbs. WARNING: CHOKING HAZARD. SMALL PARTS. NOT SUITABLE FOR CHILDREN UNDER 3 YEARS.. ... Decrease quantity for Thumb Hat - Red -. Increase quantity for Thumb Hat - Red +. ... Thumb Hat - Red. Regular Price $2.95 Sale Price $2.95 Regular Price Sale Sold Out ...
Under whose thumb? Inside a Rolling Stones copyright mystery Jasmine Garsd Feb 18, 2020 ... Under whose thumb? Inside a Rolling Stones copyright mystery Jasmine Garsd Feb 18, 2020 ... COPY THE LINK ... COPY THE LINK ...
Megan Fox employs thumb double. (REUTERS). LONDON: Megan Fox reportedly employs a thumb double in adverts because shes ... Crazy World: Megan Fox uses thumb double.... Published Monday, January 31, 2011. ...
Find Thumb Butte camping, campsites, cabins, and other lodging options. View campsite map, availability, and reserve online ...
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... all thumbs! The kalimba is a traditional instrument that originated in African thousands of years ago. Also called a thumb ... Our beautiful handcrafted thumb pianos are available in either the pentatonic (5 note) or diatonic (7 note) scale. ... Also called a thumb piano or an mbira, this diminutive musical instrument is lightweight and portable, making it easy to take ... The perfect instrument for someone who is "all thumbs!". The kalimba is a traditional instrument that originated in African ...
The case for Green Thumb Industries. Green Thumb Industries (GTI) has its stock listed on the Canadian Securities Exchange, but ... HEXO (HEXO) and Green Thumb Industries (GTBIF -1.37%) rank as two of the best-performing marijuana stocks so far this year. ... If significant progress is made on efforts to change U.S. marijuana laws, Green Thumb Industries could deliver a lot more green ... Green Thumb Industries. By Keith Speights - Apr 7, 2019 at 7:31AM ...
  • Skier's thumb is an injury caused by damage to the ulnar collateral ligament (UCL) of the thumb, most often due to a skiing accident. (
  • hence, the condition is now commonly referred to as skier's thumb. (
  • Traumatic injuries in cases of skier's thumb occur more often and result more commonly in UCL ruptures. (
  • Osteoarthritis of the first MCP joint may occur in patients with skier's thumb. (
  • Thus, this injury is often called skier's thumb. (
  • Carleton S. Coon , having observed Barbary apes in Gibraltar using the gesture, hypothesised in the anthropological classic The Story of Man that it is a mutual celebration of having opposable thumbs. (
  • Darwinius masillae, an Eocene primate transitional fossil between prosimian and simian, had hands and feet with highly flexible digits featuring opposable thumbs and halluces. (
  • However, recently there have been reports that the thumb, like other fingers, has three phalanges, but lacks a metacarpal bone. (
  • Has greater breadth in the distal phalanx than in the proximal phalanx Is attached to such a mobile metacarpus (which produces most of the opposability) Curls horizontally instead of vertically and hence the etymology of the word: tum is Proto-Indo-European for 'swelling' (cf 'tumor' and 'thigh') since the thumb is the stoutest of the fingers. (
  • Some anatomists restrict opposition to when the thumb is approximated to the fifth finger (little finger) and refer to other approximations between the thumb and other fingers as apposition. (
  • the side of the distal thumb phalanx thus approximated to the palm or the hand's radial side (side of index finger) during apposition and the pulp or "palmar" side of the distal thumb phalanx approximated to either the palm or other fingers during opposition. (
  • Primatologists and hand research pioneers John and Prudence Napier defined opposition as: "A movement by which the pulp surface of the thumb is placed squarely in contact with - or diametrically opposite to - the terminal pads of one or all of the remaining fingers. (
  • Giant pandas - five clawed fingers plus an extra-long sesamoid bone beside the true first finger that, though not a true finger, works like an opposable thumb. (
  • The East African maned rat (Lophiomys imhausi), an arboreal, porcupine-like rodent, has four fingers on its hands and feet and a partially opposable thumb. (
  • They can even allow some people, because of the exceptional flexibility of their thumbs and fingers, to become truly singular violinists. (
  • Dislocations of the thumb and fingers. (
  • From the moment they first discover their fingers and toes (consciously or not), many babies have a fascination with sucking their thumbs. (
  • Also a strategy used for aggressive nail biters, bad-tasting polish applied to the fingers can deter a thumb sucker. (
  • Plain film radiography is the definitive diagnostic modality for joint dislocations of the thumb, serving both to describe the geography of the dislocation and to rule out the possibility of coexisting fractures. (
  • Intra-articular fractures should be excluded by radiology prior to attempting to reduce a joint in the thumb. (
  • In sports and falls, thumb sprains are common. (
  • Thumb sprains are tears in the ligaments that attach the thumb to the hand. (
  • Most thumb sprains are immobilized with a thumb spica splint, but sometimes surgery is needed. (
  • Most thumb sprains involve the main ligament at the base of the thumb on the inside of the hand. (
  • For most sprains, the thumb is immobilized with a thumb spica splint. (
  • Injuries to the ulnar collateral ligament (UCL) of the thumb were first recognized as an occupational condition in European gamekeepers. (
  • By repetitively wringing the necks of game (eg, chickens) between their thumb and index finger, these workers produced a chronic stretching of the UCL that resulted in instability at the first metacarpophalangeal (MCP) joint. (
  • Lee AT, Carlson MG. Thumb metacarpophalangeal joint collateral ligament injury management. (
  • Despite the inherent stability of the joints of the thumb, the vulnerable anatomic position of the first phalanx often subjects the joints to mechanical strain that leads to subluxation or dislocation of the metacarpophalangeal (MCP) and interphalangeal (IP) joints. (
  • This backward movement of the thumb results in the damage of the ligaments supporting the metacarpo-phalangeal joint - which is the joint at the bottom of the thumb, and causes a sprained thumb. (
  • Sometimes when the ligament tears, it pulls a small piece of bone from the bottom of the thumb bone (called an avulsion fracture). (
  • [ 1 ] Most thumb MCP dislocations are dorsal. (
  • Although rare cases of multiple simultaneous thumb joint dislocations, including the IP, MCP, and proximal carpometacarpal (CMC) or trapeziometacarpal (TMC) joints, have been reported in the literature, most thumb dislocations involve only a single joint. (
  • For this true, pulp-to-pulp opposition to be possible, the thumb must rotate about its long axis (at the carpometacarpal joint). (
  • She was unable to actively flex or oppose this thumb, and the first carpometacarpal joint was unstable. (
  • Radiograph of N.D. preoperatively, demonstrating thumb hypoplasia and an unstable carpometacarpal joint. (
  • In addition, UCL injuries from chronic repetitive radial stresses typically lead to UCL laxity and thumb instability but without complete UCL rupture. (
  • But if your child feels pressured to stop, they may want to suck their thumb more. (
  • It is OK for children to suck their thumb until their adult teeth start coming in , at around age 6. (
  • Meanwhile, well-meaning friends, family members, and even strangers at the grocery store are warning you that letting your child suck their thumb for too long can lead to a bunch of oral and dental problems . (
  • Ask your child - in a curious rather than condemning way, of course - why they suck their thumb. (
  • If you know when your child most often sucks their thumb, find other ways for your child to find comfort and feel secure. (
  • If you notice your child only sucks their thumb before bedtime, they may just need another way to wind down and prepare for sleep. (
  • However, if the sprained thumb is not treated properly it may lead to permanent instability and may require surgery to rebuild the ligament. (
  • The MCP joint of the thumb is a condyloid joint that has a structurally stronger capsular ligament apparatus than the other four MCP joints of the hand do. (
  • This ligament may also be injured by jamming the thumb backward on a hard surface when falling or on a ball as when catching a baseball. (
  • To determine whether the ligament is torn and, if so, how badly, doctors ask the person to move the injured thumb in various ways. (
  • Help your child stop thumb sucking. (
  • Although most kids stop thumb sucking on their own before they enter kindergarten, you know your child best - and if you feel they need a little extra intervention, there are plenty of strategies and products that may help. (
  • Epidemiological studies indicate that the use of thumb-push mechanical pipettes is associated with musculoskeletal disorders in the hand. (
  • The MCP joint of the thumb is primarily stabilized by the UCL. (
  • [ 2 ] They are caused by a longitudinal and dorsal stress along the axis of the digit that hyperextends the thumb and tears the volar plate of the joint. (
  • Volar dislocation of the MCP joint of the thumb is comparatively rare and is associated with tears of both dorsal capsule ligaments and the extensor pollicis brevis (EPB). (
  • If the thumb joint is loose, a sprain is likely. (
  • The goal of the current study was to evaluate the kinematics and joint loading of the thumb during pipetting. (
  • The time-histories of joint angles and the interface contact force between the thumb and plunger during the pipetting action were determined experimentally, and the joint loadings and joint power in the thumb were calculated via an inverse dynamic approach. (
  • The moment, power, and energy absorption in each joint of the thumb during the extraction and dispensing actions were analyzed. (
  • A thumb signal , usually described as a thumbs-up or thumbs-down , is a common hand gesture achieved by a closed fist held with the thumb extended upward or downward, respectively. (
  • While the exact source of the thumb gesture is obscure, several origins have been proposed. (
  • Pollice Verso (1872) by Jean-Léon Gérôme is one of the sources of the "thumbs down" gesture in modern popular culture , but is not based on historical data from Ancient Rome. (
  • While it is clear that the thumb was involved, the precise type of gesture described by the phrase pollice verso and its meaning are unclear in the historical and literary record. (
  • OTAY MOUNTAIN, Calif. (KGTV) - An illegal immigrant rescued by Border Patrol agents during hot weather in South San Diego County "signaled gratitude" with a thumbs up gesture, CBP San Diego said. (
  • Midline diastema due to simultaneous interplay of mesiodens and thumb-sucking habit is a very uncommon situation and can represent negative impact on esthetics and function. (
  • A soft splint is used to prevent excessive movement, and a rigid splint will curb the thumb from moving. (
  • It covers the wrist and forearm and keeps the thumb in a neutral position (as shown in thumb spica splint, above). (
  • Grades 1 and 2 skier's thumbs and incomplete UCL ruptures can be treated conservatively (nonsurgically) with proper immobilization. (
  • Some kids just don't realize that sucking their thumb is a habit they should outgrow. (
  • After orthodontic diagnosis, treatment undertaken was the surgical removal of the mesiodens and the use of a palatal crib therapy in order to discontinue the thumb habit. (
  • In those situations, the main causes of midline diastemas are not only mesiodens but also congenitally missing teeth, peg-shaped lateral incisors, labial frenum, ethnic and racial characteristics, certain pathologic conditions and thumb-sucking habit (5). (
  • Ultimately, options are the mesiodens removal, the orthodontic space closure of the diastema and the use of physical and psychological techniques to correct the cause of the thumb habit. (
  • Clinical examination remains the criterion standard in the diagnosis of a UCL rupture of the thumb. (
  • The thumb is the first digit of the hand, next to the index finger. (
  • In apes and Old World monkeys, the thumb can be rotated around its axis, but the extensive area of contact between the pulps of the thumb and index finger is a human characteristic. (
  • Adkins underwent the operation on August 20 at the University of Michigan Hospital, removing his left index toe, and using it to reconstruct a thumb. (
  • When the thumb is sprained, people have difficulty grasping objects between their thumb and index finger, and the thumb is painful and swollen. (
  • This fistmele should be about 7 inches (18 cm), which is about the same as a fist with a thumb extended. (
  • When does a child start to develop function and opposition with the thumb? (
  • When a person is standing in the medical anatomical position (where the palm is facing to the front), the thumb is the outermost digit. (
  • A large number of skiing injuries are attributed to ski poles, in which the strap or sword grip lies across the palm and transmits the damaging force to the thumb during a fall. (
  • Some patients may experience a feeling of weakness in the hand and thumb. (
  • Football players may develop UCL damage either traumatically (eg, while making a tackle, falling on an outstretched hand [FOOSH injury]), or chronically (eg, linemen, who repetitively stress the thumb radially while blocking). (
  • His surgeons were forced to sew up Adkins' hand regardless, leaving his without a left thumb. (
  • Our thumbs account for about 50 percent of our hand function. (
  • A week later, when he got the casts off his foot and hand, Adkins was ecstatic: 'I can finally give a thumbs up again! (
  • An example of this mechanism is a fall onto an outstretched hand (FOOSH) with an impact to the tip of an extended thumb. (
  • Doctors then move the thumb in various directions while holding the rest of the hand still (called stress testing). (
  • [10] A visual example of the British use of "thumbs up" having a positive meaning (or, " okay ") from the 1920s can be seen 19 minutes into the British-made silent 1927 film The Lodger: A Story of the London Fog , where the younger man examines some paper money for the older man and declares it "good" (not counterfeit) with a "thumbs up" using both hands. (
  • With appropriate physiotherapy, most patients with a strained thumb can make a good recovery. (
  • Sure, it was cute back then - but now your child is 3 or 4, and getting them to stop sucking their thumb seems about as easy as convincing them that the blue cup is just as good as the red one. (
  • If you've got one or four thumb drives sitting around and want to make sure they're put to good use, here are plenty of awesome things you can do with them. (
  • Good deal, we have a thumbs-up. (
  • That's the most motion I've ever seen out of a toe-to-thumb transfer. (
  • He was rushed to the hospital and doctors said they had four hours to reattach his thumb, but to this day his family still can't find it. (
  • Doctors diagnose a thumb sprain by examining the thumb, sometimes after giving the person an anesthetic to make the examination less painful. (
  • Sometimes before doctors examine the thumb, a local anesthetic is injected near the injured thumb to make the examination less painful. (
  • Doctors may also examine the uninjured thumb and compare it with the injured thumb. (
  • X-rays may be taken while the doctors applies pressure to the injured thumb (called a stress x-ray). (
  • The median and radial nerves provide sensory innervation to the thumb and may be blocked as follows. (
  • Although cloud services have made thumb drives a bit less useful for a lot of us, they're still a staple of every geek's toolkit because there are so many things you can do with them. (
  • N.D. presented at 8 weeks of age because of concern over her small right thumb. (
  • Thumb-push manual pipettes are commonly used tools in many medical, biological, and chemical laboratories. (
  • Thumb sucking can make children feel secure and happy. (
  • Alternatively, thumb drives with specific purposes or themes can make a great geeky gift. (
  • A sprained thumb is a common occurrence in sports such as volleyball and football as the players use their hands more frequently. (
  • Easy to play, simply hold the kalimba in your hands and pluck the tines with alternating thumbs. (
  • You can also read a book, like Thumbs Up, Brown Bear or I Can Do It - I Don't Need My Thumb . (
  • Moreover, depending on the severity of the injury, patients with a sprained thumb can return to normal within four to six weeks. (
  • The most common cause of UCL injury is an acute abducting (radially directed) force upon the thumb. (
  • The injury is also common among athletes who handle balls (eg, basketball, football) and among those who use sticks (eg, hockey, lacrosse), in which the sporting equipment can forcefully abduct the thumb during sport activity. (
  • Thus, this injury is sometimes called gamekeeper's thumb. (
  • The thumb may remain weak and less stable after such an injury. (
  • It has been suggested that 'thumbs up' was a signal from English archers preparing for battle that all is well with their bow and they are ready to fight. (
  • The Oxford English Dictionary cites the earliest written instance of "thumbs-up" (with a positive meaning) as being from Over the Top , a 1917 book written by Arthur Guy Empey . (
  • The Medical Latin English noun for thumb is pollex (compare hallux for big toe), and the corresponding adjective for thumb is pollical. (
  • They may suck their thumbs when they are tired, hungry, bored, stressed, or when they are trying to calm down or fall asleep. (
  • Also, give help if thumb sucking embarrasses your child. (
  • Give support to your child when they try to stop sucking their thumb. (
  • Thumb drives are potentially system lifesavers, as they can house all sorts of helpful utilities and can even act as a boot drive in case of emergency. (
  • Mac users will want to take the OS X Lion installer they downloaded from the Mac App Store (or that came with their computer) and create a thumb drive installer in case things go south. (
  • Inverse dynamic analysis of the biomechanics of the thumb while pipetting: a case study. (
  • item_title" : "The Violinist's Thumb", "item_author" : [" Sam Kean "], "item_description" : "From New York Times bestselling author Sam Kean comes incredible stories of science, history, language, and music, as told by our own DNA. (
  • Some even start sucking their thumbs when they are still in the womb. (
  • Some thumb drives start as mix tapes , so it's not a far stretch to repurpose a drive you already have for the purpose. (
  • If your child does this, try to help them stop sucking their thumb by age 4 to prevent damage. (
  • There are many kits available online designed to physically prevent your child from sucking their thumb. (
  • Windows users should follow our complete guide to system salvaging with a thumb drive . (
  • Linux users have the most options as many Linux distributions will fit on almost any thumb drive . (
  • Sometimes the best use of a thumb drive is to have it ready to copy files from one computer to another, and doing that requires empty space. (
  • A man who sawed off his own thumb while making a wooden gift for his then-girlfriend has received a replacement: one of his toes. (

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