Shoulder Dislocations Overview

Shoulder instability is 

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Shoulder Anatomy Review

The shoulder is a ball and socket joint, and is one of the most mobile joints of the body. ​

Bones of the shoulder include: 

• Humerus - arm
• Scapula - shoulder blade
• Glenoid - "socket" of the shoulder, which is attached to the scapula
• Clavicle - collar bone

Used with permission

Soft Tissue Structures of the shoulder include: 

• Labrum - ring around the rim of the glenoid that helps provide stability to the shoulder

Your rotator cuff muscles:

• Supraspinatus
• Infraspinatus
• Teres Minor
• Subscapularis

Shoulder illustrations by Anne Dang, CCPA, Physician Assistant. Used with permission. ​

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