Anatomy
Shallow saucer-shaped articular thickening of upper aspect (lateral angle) of lateral (axillary) surface, forming the shoulder joint by its articulation with the head of the humerus.
Clinical
The stability of the shoulder joint is mainly due to strength of rotator cuff (musculo-ligamentous girdle; supra- and infra-spinatus, subscapularis and teres minor muscles, and many ligaments), rather than to bony strength. Joint prone to luxation (dislocation) when this is compromised.
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