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The shoulder joint is a ball-and-socket joint between the scapula and the humerus. The socket of the glenoid fossa of the scapula is itself quite shallow, but it is made deeper by the addition of the glenoid labrum. The glenoid labrum is a ring of cartilaginous fibre attached to the circumference of the cavity.
FMA. 25898. Anatomical terminology. [ edit on Wikidata] The acromioclavicular joint, or AC joint, is a joint at the top of the shoulder. It is the junction between the acromion (part of the scapula that forms the highest point of the shoulder) and the clavicle. [ 1] It is a plane synovial joint.
Shoulder problems including pain, are one of the more common reasons for physician visits for musculoskeletal symptoms. The shoulder is the most movable joint in the body. However, it is an unstable joint because of the range of motion allowed. This instability increases the likelihood of joint injury, often leading to a degenerative process in ...
Anatomical terms of bone. [ edit on Wikidata] In human anatomy, the acromion (from Greek: akros, "highest", ōmos, "shoulder", pl.: acromia) is a bony process on the scapula (shoulder blade). Together with the coracoid process, it extends laterally over the shoulder joint. The acromion is a continuation of the scapular spine, and hooks over ...
A scapular fracture is a fracture of the scapula, the shoulder blade. The scapula is sturdy and located in a protected place, so it rarely breaks. When it does, it is an indication that the individual was subjected to a considerable amount of force and that severe chest trauma may be present. [ 1] High-speed vehicle accidents are the most ...
Rotator cuff tendinopathy is a process of senescence. The pathophysiology is mucoid degeneration. [ 4] Most people develop rotator cuff tendinopathy within their lifetime. [ 5] As part of rotator cuff tendinopathy, the tendon can thin and develop a defect. This defect is often referred to as a rotator cuff tear.
24 per 100,000 per year (US) [ 1] Anterior shoulder dislocation while carrying a frail elder. A dislocated shoulder is a condition in which the head of the humerus is detached from the glenoid fossa. [ 2] Symptoms include shoulder pain and instability. [ 2] Complications may include a Bankart lesion, Hill-Sachs lesion, rotator cuff tear, or ...
Shoulder impingement syndrome. Shoulder impingement syndrome is a syndrome involving tendonitis ( inflammation of tendons) of the rotator cuff muscles as they pass through the subacromial space, the passage beneath the acromion. It is particularly associated with tendonitis of the supraspinatus muscle. [ 1] This can result in pain, weakness ...