• The longissimus capitis originates along the articular processes (projections of bone that fit with adjacent vertebrae) of the cervical vertebrae and the transverse processes of the thoracic vertebrae. (healthline.com)
  • It inserts into the back side of the mastoid process, a cone-shaped portion of the temporal bone that is located just behind the ear. (healthline.com)
  • Unites with temporal bone to form zygomatic arch  Nasal bones and cartilages 1. (slideshare.net)
  • Indications for a preauricular approach include tumors that originate in the ITF and intracranial tumors that originate at the anterior aspect of the temporal bone or greater wing of the sphenoid bone and that extend into the ITF. (medscape.com)
  • The postauricular approach is designed to expose and resect lesions that involve the temporal bone and that extend into the ITF. (medscape.com)
  • The superior attachment is onto the mastoid process of the temporal bone of the head. (learnmuscles.com)
  • Sacrum, iliac crest, transverse and spinous processes of L1-L5 and T1- T5 , and articular processes of C5-C7 to ribs #4-12, transverse processes of T1-T12 and C2 -C6, and the mastoid process of the temporal bone. (learnmuscles.com)
  • 1,3 More recent developments in 3D computerized models have been used to assist with the visuo-spatial challenges of temporal lobectomy, 4 cerebral aneurysm clipping, 5,6 transpetrous surgical approach model, 7 temporal bone dissection, 8,9 and posterior fossa surgical planning. (neurosurgicalatlas.com)
  • Kockro and Hwang in 2009 created an interactive 3D virtual model of the temporal bone and its intricate microsurgical anatomy to assist with understanding the anatomical relationships. (neurosurgicalatlas.com)
  • 15 Multiple prior attempts to create temporal bone virtualizations have been reported and are claimed to positively impact the understanding of the body's most intricate bony anatomy. (neurosurgicalatlas.com)
  • mandibular condyles, fossa of the temporal bone, TMJ capsule and the articular disc. (scielo.org.za)
  • TMJ syndrome, which is also sometimes called TMJ disorder, results from pressure on the facial nerves due to muscle tension or abnormalities of the bones in the area of the hinge joint between the lower jaw and the temporal bone. (encyclopedia.com)
  • The temporal bone is the name of the section of the skull bones where the jawbone (the mandible) is connected. (encyclopedia.com)
  • The temporomandibular joint also contains a piece of cartilage called a disc, which keeps the temporal bone and the jawbone from rubbing against each other. (encyclopedia.com)
  • This joint connects the mandible and the temporal bone. (uaf.edu)
  • Tile 1 is the skull, with the temporal bone, mandible, and temporomandibular joint highlighted. (uaf.edu)
  • Tile 3 is a healthy mandibular joint with the temporal bone (specifically the zygomatic arch), the condylar process of the mandible, the lateral pterygoid muscle, articular disc, and ligaments highlighted. (uaf.edu)
  • At the level of the tragus, following reduction of the articular disc, opening the mouth will elicit a peculiar sound of bone snapping against another bony structure. (symptoma.com)
  • The temporal bone or os temporale is a paired, irregular bone and the thickest in the human body, located at the sides and base of the skull. (flyinggiraffeteas.com)
  • The TMJ is composed of articular surface of the mandibular condyle and mandibular fossa of the temporal bone. (pogophysio.com.au)
  • As its name suggests, the temporomandibular joint (TMJ) is located at the junction of the temporal bone of the skull and the lower jaw (mandible), on either side of the face, in front of the ears. (guidedessoins.com)
  • The cranium has a domelike root - the Calvaria - skullcap - and a floor or cranial base consisting of the ethmoid bone and parts of the occipital and temporal bones. (medmuv.com)
  • The temporomandibular joint (TMJ) is the joint that connects the mandible (lower jaw) to the temporal bone of the skull and is found on both sides of your head just in front of your ears. (melbourneheadacheneckjaw.com.au)
  • The mandible and temporal bone are separated by an articular disc made of cartilage which acts as a lubricant for the bones and prevents them from rubbing against each other. (melbourneheadacheneckjaw.com.au)
  • Both joints are composed of a: mandibular condyle, a bone sphere that fits in a fossa of the temporal bone. (faces.pt)
  • Between the bone surfaces, there is an articular disc. (faces.pt)
  • The most common noise is the clicking sound caused by non-synchronous movements of the disc and the condyle or a crepitation sound when the bone surfaces of the mandibula and temporal rub onto each other, in the case of degenerative joint disease. (faces.pt)
  • We found that PLF was present primarily in the cellular periosteum, articular cartilage, osteoblasts, osteocytes and osteoclasts at weeks 3 and 6 in all distal bone sites examined. (cdc.gov)
  • The jaw joint is a joint formed between one of the skull bones called the temporal bone and a sharp pointy part of the mandible (jaw) called the condyle. (squareonephysio.com.au)
  • The temporomandibular joint, or TMJ, is a pair of joints located on the sides of the face, just in front of the ears, where the jaw bone (mandible) attaches into the skull (temporal). (pt360atl.com)
  • The name is derived from the two bones which form the joint, the upper temporal bone which is part of the skull, and the lower jaw bone called the mandible. (digitaldentistrynm.com)
  • The upper joint compartment formed by the articular disk and the temporal bone is involved in translational movements (sliding the lower jaw forward or side to side). (digitaldentistrynm.com)
  • The lower jawbone, or mandible, connects with the temporal bone at the side of the skull near the ear. (digitaldentistrynm.com)
  • The condyle fits into a depression in the temporal bone called the fossa. (digitaldentistrynm.com)
  • This is when the articular disc moves from between the condyle (the round end of the lower jaw) and the fossa (socket) so that the bone if of the lower jaw and the temporal bone are touching, with nothing to cushion the constant movement of the jaw. (digitaldentistrynm.com)
  • The condyle of the occipital bone is biconvex, and fits into the bi-concave superior articular surface of the atlas, while the long axes of the two joints are directed horizontally forwards and medially. (co.ma)
  • It is attached to the rough non-articular surfaces surrounding the articular areas on the atlas and occipital bone. (co.ma)
  • Laterally it is in continuity with the articular capsules, while in the median plane, where it extends from the anterior tubercle of the atlas to the basilar part of the occipital bone, it presents a specially well-defined thickened band which might be regarded as a separate accessory ligament or as the beginning of the anterior longitudinal ligament of the vertebræ. (co.ma)
  • Temporomandibular joint (TMJ) is a bilateral synovial articulation between the condyle of the mandible and glenoid fossa of the temporal bone. (aipmed.org)
  • The condyle fits into the fossa of the temporal bone. (eastwoodphysio.com)
  • An extremely important part of the anatomy of the TMJ is the articular disc within the joint, which sits between the bony fossa of the temporal bone and the bony condyle of the mandibular bone. (eastwoodphysio.com)
  • The muscle can be felt if you wrap your thumb under the angle of your jaw and press up and inwards toward the bone. (eastwoodphysio.com)
  • One portion of the muscle inserts into the TMJ's articular disc and the other portion inserts into the mandible bone. (eastwoodphysio.com)
  • The jawbone is held in place by a combination of ligaments, tendons, and muscles. (encyclopedia.com)
  • In extra-articular ankylosis, the ligaments around the joint become calcified and although not painful, limit opening of the mouth only about 1 inch wide (about 2.5 centimeters) or less. (symptoma.com)
  • Ligaments, tendons, and muscles support the joints and are responsible for jaw movement. (msdmanuals.com)
  • This disc is supported by ligaments posteriorly and anteriorly is it attached to a muscle (lateral pterigoid muscle). (faces.pt)
  • The mandible has no bony connection but instead sits suspended and held in place by the muscles of mastication (chewing) coming off the skull, joint capsules and ligaments that act like guide wires. (squareonephysio.com.au)
  • The reason for your symptoms can be due to the muscles that move the jaw joint becoming tight, overactive or going into spasm, or the capsules or ligaments becoming tight or scarred. (squareonephysio.com.au)
  • Physiotherapists are experts in finding out the primary cause of your jaw symptoms by accurately assessing and treating the muscles, joint capsules or ligaments or combination of them. (squareonephysio.com.au)
  • Any injury, lesion or neuromuscular disorder of this complex system affects these interactions between muscles, bones and ligaments and causes degradation, instability or disability of locomotion. (biomedcentral.com)
  • Rational design and surgical implantation of prostheses therefore demands understanding of the natural interactions between ligaments and articular surfaces of the two joints which control ankle complex mobility. (biomedcentral.com)
  • Passive stability, as assessed in a range of clinical tests, is a measure of the limitations to motion imposed by the anatomical structures and therefore involves mechanical interactions between ligaments and articular surfaces and reflects both the integrity of those structures and their mechanical properties [ 2 ]. (biomedcentral.com)
  • Active stability involves mechanical interactions between muscles, ligaments and articular surfaces in response to external forces during activity. (biomedcentral.com)
  • Restoration of normal joint function and range of motion should benefit from re-establishment of the natural relationships between the geometry of the articular surfaces and the geometry of the ligaments [ 3 ]. (biomedcentral.com)
  • Related to the bones are the muscles that act across the joint, disks, ligaments, and joint capsules that can contribute to the pain and dysfunction. (pt360atl.com)
  • This term is used to refer to a group of problems involving the TMJ's and the muscles, tendons, ligaments, blood vessles, and other tissues associated with them. (digitaldentistrynm.com)
  • There are numerous ligaments and muscles that attach to the bones of the TMJ. (eastwoodphysio.com)
  • These ligaments and muscles both create stability of the joint and also allow motion at the joint. (eastwoodphysio.com)
  • In addition to ligaments, there are several muscles that not only help to the stabilize the joint, but also act to move the TMJ (and subsequently the lower jaw) so that we can carry out the variety of movements we do with our mouths. (eastwoodphysio.com)
  • The two compartments (upper and lower) separated by an articular disc (fibrocartilaginous). (pogophysio.com.au)
  • In the case of intra-articular ankylosis the bones within the joint may fuse, causing pain and severely limiting jaw movement. (symptoma.com)
  • The intra-articular area posterior to the disc is called the retrodiscal area or bilaminar zone. (pogophysio.com.au)
  • Intra-articular bleeding episodes are uncommon. (medscape.com)
  • The deep temporal nerves are typically two nerves (one anterior and one posterior) which arise from the mandibular nerve (CN V3) and provide motor innervation to the temporalis muscle. (wikipedia.org)
  • They ascend to the temporal fossa[citation needed] and enter the deep surface of the temporalis muscle. (wikipedia.org)
  • The deep temporal nerves provide motor innervation to the temporalis muscle. (wikipedia.org)
  • Sudden contraction of temporalis muscle will result in coronoid fracture, which is rare. (intelligentdental.com)
  • The patient was found to have a tenosynovial giant cell tumor, diffuse type, completely encased by the temporalis muscle. (bvsalud.org)
  • To our knowledge, this is the first report of a case of diffuse type tenosynovial giant cell tumor in the temporalis muscle, without articular involvement, presenting in an infant. (bvsalud.org)
  • Temporalis muscle: This muscle is located at the temples on each side of the head and is responsible for opening and closing the jaw. (nutritionalhealthenterprises.com)
  • Lateral pterygoid muscle: This muscle is located on the inside of the jaw and works with the temporalis muscle to open the jaw. (nutritionalhealthenterprises.com)
  • The two largest muscles involved in jaw motion are the temporalis muscle and the masseter muscle. (eastwoodphysio.com)
  • the temporalis muscle can be palpated in the area over the temples and the masseter muscle can be felt bulging near the jaw angle. (eastwoodphysio.com)
  • Ontogenetic changes in the postnatal ontogeny of the skull of D. branickii are mostly related to the development of the occlusal system and action of associated muscles. (bioone.org)
  • It is large shaped in appearance and covers the Temporal area of the skull. (intelligentdental.com)
  • Temporomandibular Joint disorder (TMD) is a dysfunction of masticatory muscles and the joints that connect the mandible (lower jaw) to the skull. (symptoma.com)
  • The temporomandibular joints are the connections between the temporal bones of the skull and the lower jawbone (mandible). (msdmanuals.com)
  • These openings in the skull bones allowed the attachment of larger jaw muscles, hence a more efficient bite. (explained.today)
  • The lateral pterygoid muscle also has two portions and also originates from within the skull. (eastwoodphysio.com)
  • The temporomandibular joints (TMJ) connect the temporal bones on each side of the skull to the mandible, or lower jawbone. (mikewhitedds.com)
  • 1 TMD can cause a clicking/popping noise emanating from the TMJ when mandibular movement occurs and the condyle crosses the rear margin of the articular disc. (scielo.org.za)
  • The temporomandibular joint is a synovial joint containing an articular disc. (uaf.edu)
  • The articular disc is obliterated or develop holes in arthritis. (symptoma.com)
  • The articular disc attaches anteriorly to the lateral pterygoid (muscle) and posteriorly to the joint capsule and connective tissue. (pogophysio.com.au)
  • Derangement of condyle/disc complex - a common cause of TMJ problems that results in altered movement of the articular disc which can lead to clicking, locking and difficulty in various stages of jaw opening and closing (3). (pogophysio.com.au)
  • articular surfaces between which an articular disc , also called a meniscus, is positioned. (guidedessoins.com)
  • It is one of the muscles that controls the opening and closing paths of the condyles and articular disc complex as well as the protruding/ lateral movements of the mandible. (occlusionconnections.com)
  • In many cases, the clicking or cracking originate from an articular disc moving out of the jaw joint or what had moved out previously, goes back in. (squareonephysio.com.au)
  • A soft, thin, oval-shaped disc (articular disc) fits between the condyle and the fossa. (digitaldentistrynm.com)
  • Upon closing the condyle will slide off the back of the disc causing another "pop" or "click" this causes to much pressure leading to inflammation and pain in the TMJ and the surrounding muscles. (digitaldentistrynm.com)
  • The disc, which is made up soft malleable fibers, follows the motion of the condyle and acts as a deformable pad that allows the condyle to move forwards and backwards on the temporal fossa as the jaw opens and closes. (eastwoodphysio.com)
  • The articular disc was found to be displaced on the medial side and was restored between the condylar head and the temporal musculofascial flap. (pocketdentistry.com)
  • Arthroplasty can be used to remove bony growths, repair or replace the articular disc that cushions your joint, and access areas that an arthroscopy can't. (mikewhitedds.com)
  • Number There are usually two deep temporal nerves - the anterior deep temporal nerve and posterior deep temporal nerve. (wikipedia.org)
  • This is evidenced by rapid growth of the facial region, a deepening and strengthening of the temporal and occipital regions and a widening of the posterior portion of the palate which is related to the eruption and replacement of molariform teeth. (bioone.org)
  • The latissimus dorsi muscle has been described as arising in large part from the posterior layer of the lumbo-dorsal fascia. (co.ma)
  • The inferior head pulls the condylar head down and forward so the condyle can translate along the posterior surface of the articular eminence when opening wide. (occlusionconnections.com)
  • When injected into a muscle, it attaches to nerve endings of motor muscles blocking acetylcholine release, causing muscles to relax. (todaysrdh.com)
  • TTH are frequent spontaneous primary headaches affecting the occipital and temporal regions with a bilateral constant dull ache of mild to moderate intensity without a pre-existing aura, vomiting, or nausea. (todaysrdh.com)
  • Testing of a single nerve fiber or muscle unit is of no value in the analysis of muscle function/ dysfunction when associated with myogeneous TMD or that which is associated with the analysis of dental occlusion. (occlusionconnections.com)
  • The SCM muscle may also become inflamed or strained because of clenching or grinding the teeth, which are common symptoms of TMJ dysfunction. (nutritionalhealthenterprises.com)
  • Any dysfunction of the muscles may cause the teeth to occlude (bite) with each other incorrectly. (digitaldentistrynm.com)
  • The following factors were considered: gender, presence of myalgia (temporal, masseter, medial pterygoid, lateral and sternocleidomastoid muscles) and TMJ arthralgia, and the presence of occlusal interferences and parafunctional habit of bruxism. (bvsalud.org)
  • TMJs were assessed by palpation as well as masseter, temporal, suprahyoid, sternocleidomastoid, suboccipital, paravertebral and trapezius muscles to evaluate any possible pain. (ejpd.eu)
  • The Sternocleidomastoid (SCM) muscle is located on each side of the neck, and it is responsible for rotating the head and neck. (nutritionalhealthenterprises.com)
  • 1 TMD is characterized by pain in the TMJ and periauricular region, and/or the muscles of mastication. (scielo.org.za)
  • It is the motor nerve for the muscles of mastication and contains proprioceptive fibers. (medscape.com)
  • The mesencephalic nucleus is in the midbrain and receives proprioceptive fibers from all muscles of mastication. (medscape.com)
  • The proprioceptive fibers of CN V arise from the muscles of mastication and the extraocular muscles. (medscape.com)
  • The motor nucleus of CN V receives cortical fibers for voluntary control of the muscles of mastication. (medscape.com)
  • During mastication, four muscles of mastication (or musculi masticatorii ) are responsible for adduction and lateral motion of the jaw. (intelligentdental.com)
  • Each of these primary muscles of mastication is paired, with each side of the mandible possessing one of the four. (intelligentdental.com)
  • It is one of the main muscle which helps in the process of mastication. (intelligentdental.com)
  • This is the muscle which helps in elevation of the mandible, It is one of the muscles of mastication. (intelligentdental.com)
  • This is a small muscle which also helps in the mastication process. (intelligentdental.com)
  • It is a thick muscle of mastication. (intelligentdental.com)
  • TMDs are a group of disorders with three main classes (National Institute of Dental and Craniofacial Research, 2022), which are disorders of the temporomandibular joint, the muscles of mastication, or TMD specific headaches. (uaf.edu)
  • The muscles of mastication (chewing) and muscles of the neck combine to provide the various movements of the jaw such as chewing, speaking, yawning and breathing. (melbourneheadacheneckjaw.com.au)
  • Patients with TMJ dislocation often present with inability to close the mouth, depression of the preauricular area, severe pain in the TMJ region and associated muscles, hypersalivation, elongation of facial profile, tension of muscles of mastication, amongst others. (aipmed.org)
  • The symptoms include headaches, soreness in the chewing muscles, and clicking or stiffness of the joints. (encyclopedia.com)
  • line of the centre of gravity the flexion of the joints ceases, the muscles relax, and the limb gradually returns to the ground. (co.ma)
  • Temporomandibular disorders (TMDs) are caused by problems with the jaw muscles or joints or the fibrous tissues connecting them. (msdmanuals.com)
  • and tenderness of the chewing muscles or may hear clicking/popping sounds of the joints in the jaw. (msdmanuals.com)
  • TMDs include problems with the joints, the muscles, and the bands of fibrous tissue that connect them (fascia). (msdmanuals.com)
  • Most often, the cause of a temporomandibular disorder (TMD) is a combination of muscle tension and anatomic problems within the joints. (msdmanuals.com)
  • TMD is often referred to as a musculoskeletal disorder and is often caused by repetitive motions which strain the muscles and joints of the jaw (Wright and North, 2009). (melbourneheadacheneckjaw.com.au)
  • Motion at the ankle and subtalar joints is guided by the osteoarticular and ligamentous structures and induced by the forces and moments of the extrinsic muscles, in addition to the external forces. (biomedcentral.com)
  • It begins at the sacrum and the spinous process (bony projections at the back of each vertebra) of the lumbar spine, where a part of its fibers connect with the entire length of the back side of the lumbar vertebrae and the front surface of the lumbodorsal fascia, a sheath of connective fibers that covers the sacrospinalis muscle group. (healthline.com)
  • TMJ dislocation is an excessive forward movement of the condyle beyond the articular eminence with a complete separation of the articular surface and fixation in that position. (todaysrdh.com)
  • The deep temporal nerves also have articular branches which provide a minor contribution to the innervation of the temporomandibular joint. (wikipedia.org)
  • They pass superior to the superior border of the lateral pterygoid muscle. (wikipedia.org)
  • The lateral pterygoid is one of the muscles that controls mandibular position and function. (occlusionconnections.com)
  • Spasm and shortening of the lateral pterygoid can result in losing coordination of the condyle, articular disk and musculature. (occlusionconnections.com)
  • Can TENS relax the masticatory muscles of the head and neck region when EMG studies substantiate after TENS relaxation do not monitor the lateral pterygoid muscle? (occlusionconnections.com)
  • Since this is the case, one cannot know very easily if the lateral pterygoid is physiologically relaxed with low muscle activity without measuring methods. (occlusionconnections.com)
  • Needle EMG studies of the lateral pterygoid have been done correlating surface activity of other muscles as reported in the "Masticatory Muscle Function: A Multichannel Electromyographic Investigation", by Paul Koole a Danish dentist/ researcher. (occlusionconnections.com)
  • The medial and lateral pterygoid muscles are a set of muscles on each side of the jaw that lie deep along the TMJ joint. (eastwoodphysio.com)
  • The lateral pterygoid muscle is more difficult to palpate for untrained fingers, however if you slightly open your mouth and press your fingers into the small indentation made near the TMJ you will be pressing on one portion of the lateral pterygoid. (eastwoodphysio.com)
  • Transcutaneous electrical nerve stimulation -A method for relieving the muscle pain of TMD by stimulating nerve endings that do not transmit pain . (symptoma.com)
  • Once the motor nerve endings are interrupted, the muscles cannot contract. (todaysrdh.com)
  • As the progression of the process, they appear in muscle tissue, the articular cavities and in areas of nerve endings. (osvilt.com)
  • Muscle tension. (encyclopedia.com)
  • Some cases of TMJ disorders are attributed to muscle tension and stress. (symptoma.com)
  • This can lead to tension & tightness in the SCM muscle, as it works to compensate for the limited range of motion in the jaw. (nutritionalhealthenterprises.com)
  • Two muscles control the tension between the hammer and tympanic membrane, as well as between the oval window and stirrup, namely the stapedius and tensor tympani muscles. (mskneurology.no)
  • The human masticatory system, which consists of the maxilla, mandible, teeth, temporomandibular joint and the masticatory muscles, is functionally involved in not only feeding but also in speech. (apospublications.com)
  • Muscle tightness in the temporomandibular joint usually results from overuse of muscles. (encyclopedia.com)
  • Physical assessment including palpation, observation of movement , joint glides and muscle strength testing. (pogophysio.com.au)
  • As far as pain is concerned, it may arise either from the joint or the masticatory muscles. (faces.pt)
  • Although the SCM muscle is not directly connected to the temporomandibular joint (TMJ), it can be affected by TMJ issues due to its proximity and shared nerve supply. (nutritionalhealthenterprises.com)
  • Lever arm lengths determine the ability of muscles to produce joint torque in order to generate or resist rotation. (biomedcentral.com)
  • The lower joint compartment formed by the mandible and the articular disk is involved in rotational movement (opening and closing movements). (digitaldentistrynm.com)
  • If the teeth are traumatized by this they may become sensitive demonstrating one of the many interplays between muscle, joint and tooth. (digitaldentistrynm.com)
  • In North America, 20% of dentists are providing Botox as part of comprehensive dental treatment plans for excessive gingival display, orthodontic relapse due to severe muscle movement, sialorrhea, trigeminal neuralgia, hemifacial spasms (HMS), and temporomandibular joint disorders, and oromandibular pain. (todaysrdh.com)
  • Also, the Spee curve can be also altered with aging, mainly related to the greater condyle rotation, articular degeneration, and dental extrusions 8,17 . (bvsalud.org)
  • Articular surface degeneration (Osteoarthritis, Rheumatoid arthritis). (pt360atl.com)
  • The depressor labii inferioris muscle is a four-sided facial muscle located in the jaw area that draws the lower lip down and to the side. (healthline.com)
  • Muscle pain and tightness around the jaw and limited mouth opening occur, as well as headache and pain in other areas of the head and neck. (msdmanuals.com)
  • The TMJ contains a piece of dense fibrous tissue called the articular disk. (msdmanuals.com)
  • The movement of the upper arm and shoulder is controlled by a group of four muscles that make up the rotator cuff. (healthline.com)
  • This movement requires a complex coordination of an extensive muscle system. (faces.pt)
  • The SCM muscle, which is located on each side of the neck, works to support the head and neck while also allowing for movement and rotation. (nutritionalhealthenterprises.com)
  • 2. Masticatory muscle disorders - commonly attributable to myofascial pain: muscle tenderness points on palpation, worse with stress, often associated with bruxing and may have other chronic pain state. (pogophysio.com.au)
  • This is valuable in the muscle activity associated with dental occlusion whether temporomandibular disorders exist or not. (occlusionconnections.com)
  • These disorders may be myofascial (related to muscles) or arthrogenic (related to the TMJ). (todaysrdh.com)
  • The CT scan showed that the entire head of the left condyle was dislocated into the temporal fossa through the fractured glenoid cavity ( Fig. 1 ). (pocketdentistry.com)
  • The general fascial investments of the back have been described along with the superficial muscles associated with the shoulder-girdle (p. 365). (co.ma)
  • It covers the anterior surface of the quadratus lumborum muscle, and separates it from the psoas major. (co.ma)
  • The psoas fascia is continuous at the lateral border of the psoas major muscle with the anterior layer of the lumbo-dorsal fascia. (co.ma)
  • form a narrow ligamentous band which connects the last rib to the iliac crest between the muscles of the back on the one hand and those of the abdominal wall on the other. (co.ma)
  • The middle layer is a fascia which stretches laterally from the ends of the transverse processes of the lumbar vertebræ, between the sacrospinalis behind and the quadratus lumborum muscle in front. (co.ma)
  • The longissimus muscle is the longest subdivision of the sacrospinalis muscle. (healthline.com)
  • This is a strong fibrous lamina which conceals the sacrospinalis muscle. (co.ma)
  • In humans, the masseter is the second most efficient masticatory muscle. (intelligentdental.com)
  • 10 Botox can decrease the frequency of bruxism episodes and lowers biting pressure up to 20% to 30% in the masticatory muscle. (todaysrdh.com)