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SHOULDER JOINT
| Type | Synovial ball and socket joint; multiaxial |
| Articular surfaces | Glenoid fossa of scapula, head of humerus; glenoid labrum |
| Ligaments | Superior glenohumeral, middle glenohumeral, inferior glenohumeral, coracohumeral, transverse humeral |
| Innervation | Subscapular nerve (joint); suprascapular nerve, axillary nerve, lateral pectoral nerve (joint capsule) |
| Blood supply | Anterior and posterior circumflex humeral, circumflex scapular and suprascapular arteries |
| Movements | Flexion, extension, abduction, adduction, external/lateral rotation, internal/medial rotation and circumduction |
| Rotator cuff muscles | Supraspinatus, infraspinatus, teres minor, subscapularis |
| Mnemonic: Rotator cuff SITS on the shoulder |
Discussion