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Acromioclavicular JointDislocationsClavicleShoulder DislocationAcromionVisual Analog ScaleShoulder Impingement SyndromeShoulder JointShoulder PainRotator CuffScapulaShoulderReconstructive Surgical ProceduresOrthopedic ProceduresLigaments, ArticularRange of Motion, ArticularAnatomyJointsMEDLARSNational Library of Medicine (U.S.)Abstracting and Indexing as TopicLibrary Collection DevelopmentGrateful MedLibrary SurveysBibliography as Topic

LigamentsInstabilityGlenohumeral jointPosteriorInjuriesCoracoclavicular ligamentCapsuleStabilityFracturesAcromialFractureClavicleAcromionDislocationSynovialLigamentousInjuryPathologyTendonVertebralSternoclavicularStabilizationBoneShoulder jointIntervertebralPatientsDeltoidRotatorUnstableScapulaMovementsYearsRestorationShortTreatment

Ligaments14

• Most of the SCJ's strength and stability originates from the joint capsule and supporting ligaments. (medscape.com)
• The capsule surrounding the joint is weakest inferiorly, while it is reinforced on the superior, anterior, and posterior aspects by the various ligaments, including the interclavicular, anterior and posterior sternoclavicular, and costoclavicular ligaments. (medscape.com)
• Type 3: rupture of SCJ and costoclavicular ligaments, resulting in dislocation of the joint. (medscape.com)
• Saccomanno MF, Fodale M, Capasso L, Cazzato G, Milano G. Reconstruction of the coracoclavicular and acromioclavicular ligaments with semitendinosus tendon graft: a pilot study. (maristellasaccomanno.com)
• Several ligaments surround this joint, and depending on the severity of the injury, a person may tear one or all of the ligaments. (medscape.com)
• Torn ligaments lead to acromioclavicular joint sprains and separations. (medscape.com)
• The acromioclavicular joint is made up of 2 bones (the clavicle and the acromion), 4 ligaments, and a meniscus inside the joint. (medscape.com)
• The acromioclavicular capsular ligaments provide most of the joint stability in the anteroposterior (AP) direction. (medscape.com)
• The 2 coracoclavicular ligaments (the conoid and the trapezoid ligaments) are found medial to the acromioclavicular joint and attach from the coracoid process on the scapula to the inferior surface of the distal clavicle. (medscape.com)
• These ligaments provide vertical (superior-inferior) stability to the joint (see the following image). (medscape.com)
• Torn acromioclavicular joint ligaments and/or torn coracoclavicular ligaments are seen in acromioclavicular joint sprains. (medscape.com)
• Superior-inferior stability is maintained by the coracoclavicular (conoid and trapezoid) ligaments.Type-I or type-II acromioclavicular joint injuries have been treated with sling immobilization, early shoulder motion, and physical therapy, with favorable outcomes. (tigerortho.com)
• In contrast to most other joints, the stability of the shoulder is not ensured primarily by the bony joint partner, but by ligaments, the joint capsule and the muscles. (klinik-am-ring.de)
• The atlantoaxial joint stability is mainly by provided by ligaments. (boneandspine.com)

Instability4

• Saccomanno MF, DE Ieso C, Milano G. Acromioclavicular joint instability: anatomy, biomechanics and evaluation. (maristellasaccomanno.com)
• Extrinsic factors include bone spurs from the acromion or AC joint, shoulder instability and neurologic problems arising outside of the shoulder. (wikipedia.org)
• 2018 Arthroscopy Techniques Instability of the proximal tibiofibular joint (PTFJ) can present as frank dislocations, vague symptoms of lateral knee pain, discomfort during activity, or symptoms related to irritation of the common peroneal nerve. (drrobertlaprademd.com)
• Radiologic evaluation is used to confirm the diagnosis and estimate the degree of spinal instability. (boneandspine.com)

Glenohumeral joint4

• The rotator cuff provides the main stabilising structure for the glenohumeral joint and is made up of supraspinatus, infraspinatus, subscapularis and teres minor muscles. (openorthopaedicsjournal.com)
• Any movement of the humerus at the shoulder joint will almost always involve the glenohumeral joint but also the SC and AC joints. (openorthopaedicsjournal.com)
• A wide variety of shoulder replacements are now available due to the wide variety of conditions which can cause arthritis to the glenohumeral joint. (geisslermd.com)
• This incongruency results in arthritis to the glenohumeral joint. (geisslermd.com)

Posterior2

• Sternoclavicular joint (SCJ) dislocations may follow direct trauma to the anteromedial aspect of the clavicle that drives it backward and causes a posterior dislocation. (medscape.com)
• The joint is horizontally and vertically stabilized in anterior and posterior translation by a combination of dynamic muscular and static ligamentous structures, which allow a normal anatomic range of motion. (medscape.com)

Injuries7

• Injuries in and around the shoulder, including acromioclavicular joint injuries, occur most commonly in active or athletic young adults. (medscape.com)
• However, pediatric acromioclavicular injuries have also increased owing to the rising popularity of dangerous summer and winter sporting activities. (medscape.com)
• Acromioclavicular joint injuries are often seen after bicycle wrecks, contact sports, and car accidents. (medscape.com)
• Although it is not an acromioclavicular joint-stabilizing structure, during operative repair of type III acromioclavicular injuries, the coracoacromial ligament may be resected from its acromial insertion and used to reconstruct the torn coracoclavicular ligament. (medscape.com)
• See Pathophysiology [intratopic link] for the classification of acromioclavicular injuries. (medscape.com)
• Abstract Objective To investigate the incidence, mechanisms, types of injury, most affected anatomical regions, and factors leading to injuries in trail bikers. (bvsalud.org)
• Imaging evaluation of adult spinal injuries: emphasis on multidetector CT in cervical spine trauma. (radiopaedia.org)

Coracoclavicular ligament2

• The superior shoulder suspensory complex (SSSC) is a bony and soft-tissue ring composed of the glenoid process, the coracoid process, the coracoclavicular ligament, the distal clavicle, the acromioclavicular joint, and the acromial process at the end of a superior bony strut (the midshaft clavicle) and an inferior bony strut (the junction of the lateral scapular body and the medial glenoid neck). (medscape.com)
• Acromioclavicular Joint Separation: Repair Through Suture Anchors for Coracoclavicular Ligament and Nonabsorbable Suture Fixation for Acromioclavicular Joint. (jerosch.de)

Capsule2

• Ganglion cysts are characteristically found in close proximity to joints, leading some to postulate that injury to the capsule may lead to the formation of the ganglion. (musculoskeletalkey.com)
• Both are synovial joints consisting of a capsule, which is internally lined by a synovial membrane, and hyaline cartilage, which forms the articular surfaces. (openorthopaedicsjournal.com)

Stability2

• The arrangement of the bony, muscular and ligamentous anatomy of the shoulder is relatively complex, providing a wide range of movement whilst maintaining stability. (openorthopaedicsjournal.com)
• improving the stability of the hip replacement by increasing the range of movement of the joint prior to dislocation. (bonejointhealth.ac.uk)

Fractures1

• The meniscus that lies in the joint may also be injured during sprains or fractures around the acromioclavicular joint. (medscape.com)

Acromial1

• The acromioclavicular joint is a diarthrodial articulation with an interposed fibrocartilaginous meniscal disk that links the hyaline cartilage articular surfaces of the acromial process and the clavicle. (medscape.com)

Fracture1

• In addition, occasionally patients who have a severe fracture to the shoulder that is not repairable may undergo joint replacement. (geisslermd.com)

Clavicle6

• The SCJ is a saddle-type joint that provides free movement of the clavicle in nearly all planes. (medscape.com)
• The acromioclavicular joint is located at the top of the shoulder where the acromion process and the clavicle meet to form a joint (see the following image). (medscape.com)
• The bony anatomy of the shoulder girdle consists of the scapula, clavicle and humerus, which articulates at the shoulder as theglenohumeral and acromioclavicular (AC) joints (Table 1 ). (openorthopaedicsjournal.com)
• The clavicle articulates medially with the manubrium sterni via the sternoclavicular (SC) joint, an atypical synovial joint with a wedge of fibrocartilage between both articular surfaces. (openorthopaedicsjournal.com)
• The scapulothoracic joint is a physiological joint, the movements of which are provided by the gliding of the acromion over the clavicle. (openorthopaedicsjournal.com)
• Dr. Geissler worked with the engineers from Acumed to design a system of plates specifically designed to fit the unique anatomy of the clavicle. (geisslermd.com)

Acromion3

• SIS can be the consequence of pathologic scapulohumeral motion patterns leading to humerus cranialisation, anatomical variations of the scapula and the humerus (e.g. hooked acromion), a subacromial inflammatory reaction (e.g. due to overuse or micro-trauma), or adjoining pathology (e.g. osteoarthritis in the acromion-clavicular-joint with subacromial osteophytes). (biomedcentral.com)
• The space at the shoulder joint, into which the supraspinatus tendon slides when lifting the arm, is very limited by the acromion (acromion and coracoacromial ligament - the outward end of the shoulder blade). (klinik-am-ring.de)
• Because of the innate unfavorable shape of the acromion (hooked acromion type II and III according to Bigliani classification), the incidence of subacromial impingement syndrome increases significantly. (klinik-am-ring.de)

Dislocation1

• Patients between 10 to 17 years of age increase the incidence of patellar dislocation to 29 cases per 100,000 individuals. (drrobertlaprademd.com)

Synovial2

• The sternoclavicular (SC) joint is a saddle-shaped, synovial joint that provides the primary skeletal connection between the axial skeleton and the upper limb. (medscape.com)
• A freely moveable synovial joint links the upper extremity to the torso, with the sternoclavicular joint (SCJ) participating in all movements of the upper extremity. (medscape.com)

Ligamentous1

• Ligamentous laxity, more common in young girls, is associated with recurrent atraumatic anterior dislocations of the sternoclavicular joint. (medscape.com)

Injury1

• Injury to the acromioclavicular joint may injure the cartilage within the joint and can later cause arthritis of the acromioclavicular joint. (medscape.com)

Pathology2

• In this chapter, we will review the relevant pathology and anatomy, diagnostic findings, and current trends in the treatment of ganglion cysts. (musculoskeletalkey.com)
• To ascertain the origin of any pathology, an understanding of the anatomy of the shoulder girdle and related structures is recommended. (openorthopaedicsjournal.com)

Tendon1

• Due to the complex soft tissue conditions of the shoulder joint, particularly the tendon at the humeral head of the so-called rotator cuff (composed of the muscle group supraspinatus, infraspinatus, teres minor, and subscapularis) these are very prone to damage in the sense of chronic irritation or degeneration. (klinik-am-ring.de)

Vertebral3

• 12,13 However, given the high prevalence of similar anatomy in asymptomatic individuals and the high rates of stingers/burners in those without these anatomic features, the exact role of abnormal cervical vertebral anatomy is controversial. (aapmr.org)
• The vertebral artery passes inferior to the C1-C2 facet joint, then course laterally through the transverse foramen of C2. (boneandspine.com)
• These include more horizontal orientation of the facet joints in children, underdeveloped uncovertebral joints, mild physiological anterior wedging of the vertebral bodies, and incomplete ossification of the odontoid process. (radiopaedia.org)

Sternoclavicular3

• Dislocations of the sternoclavicular joint also may result from congenital, degenerative, and inflammatory processes. (medscape.com)
• Routine radiographs of the sternoclavicular joint are often difficult to interpret and may falsely appear normal. (medscape.com)
• The insertion point is made approximately 1 cm lateral to the sternoclavicular joint. (traumainternational.co.in)

Stabilization1

• Effective patellofemoral joint stabilization and low complication rates using a hardware-free MPFL reconstruction technique with an intra-operative adjustment of the graft tension. (jerosch.de)

Bone5

• Journal of Bone and Joint Surgery - American. (tigerortho.com)
• Team Bone and Joint Health (JLA) set up a workshop at the Festival of Communities hosted by Queen Mary University Mile-End E1, on the 11th of June 2022, all thanks to the sheer dedication from Lauren, our Group Executive Assistant who went out of her way to be creative by making a prize hamper for guessing the number of orange and blue jellybeans in a jar. (bonejointhealth.ac.uk)
• The Bone and Joint Health team displayed an exemplary approach of friendliness and transparency in their work which broke many misconceptions of doctors. (bonejointhealth.ac.uk)
• Instead the damaged surfaces of the joint are covered with a resurfacing prosthesis or implant.In addition to saving bone there are many other advantages to the resurfacing technique. (moreaupt.com)
• Practical Procedures in Orthopaedic Surgery will be an essential guide for surgeons in training, providing step by step approaches to performing Joint Aspiration/Injection, Bone Graft Harvesting and Lower Limb Amputations. (nshealth.ca)

Shoulder joint4

• The shoulder joint is complex in structure and functionality. (openorthopaedicsjournal.com)
• We refer to an impingement syndrome of the shoulder when the condition indicates painful irritation and a degeneration of tendons and bursae due to anatomical tightness in the shoulder joint. (klinik-am-ring.de)
• You have a simple arthroscopic surgery on your shoulder for a rotator cuff tear or unstable shoulder joint. (moreaupt.com)
• Three months later, the entire surface of your shoulder joint (called the articular cartilage) is destroyed. (moreaupt.com)

Intervertebral1

• Metabolic problems like Hyperuricemia/Gout where high level of uric acid in blood damages lumbar spine also this uric acid may get crystalised to form monosodium urate monohydrate and settle in the intervertebral joints and damage them. (atomictherapy.org)

Patients1

• A preliminary risk evaluation integrating GTE, the GFII, and AAC is recommended to consider the necessity of additional procedures for patients in need of arthroscopic rotator cuff repair. (bvsalud.org)

Deltoid1

• Injection into the deltoid muscle should be avoided because of a high incidence of subcutaneous atrophy. (recallguide.org)

Rotator2

• Chierichini A, Frassanito L, Vergari A, Santoprete S, Chiarotti F, Saccomanno MF, Milano G. The effect of norepinephrine versus epinephrine in irrigation fluid on the incidence of hypotensive/bradycardic events during arthroscopic rotator cuff repair with interscalene block in the sitting position. (maristellasaccomanno.com)
• These are the two questions surgeons from the New York University Hospital for Joint Diseases attempt to answer in this article.Arthroscopic repair of the rotator cuff is actually a very reliable technique. (moreaupt.com)

Unstable1

• The shoulder is the most mobile, thus also the most unstable joint in the human body. (klinik-am-ring.de)

Scapula1

• Not only does the scapula give the shoulder muscles a base of operation, it also acts as a moving platform for the shoulder ball-and-socket joint to function properly.In short, the scapula is a silent partner with the shoulder in moving the arm in any and all directions. (moreaupt.com)

Movements1

• Movements at the shoulder involve composite movements of these joints, either alone or in synchrony, and form an integral part of the functionality of the upper limb. (openorthopaedicsjournal.com)

Years1

• 1 The incidence in females over the age of 50 is estimated overall at around 2.2 per 1 000 per year, and there is an exponential increase between the ages of 65 and 80 years. (scielo.org.za)

Restoration1

• Restoration of the joint geometry and outcome after stemless TESS shoulder arthroplasty. (jerosch.de)

Short1

• Generally nail can be negotiated one cm short of acromioclavicular joint. (traumainternational.co.in)

Treatment1

• Treatment of acromioclavicular separations has been a subject of debate. (medscape.com)