What is the primary function of the labrum in the shoulder joint___________________?

A. Shock absorption
B. Enhancing synovial fluid production
C. Restricting movements for stability
D. Transmitting nerve signals

Explanation:
The labrum is a ring of fibrocartilage that surrounds the glenoid cavity of the scapula. One of its main functions is to provide shock absorption and stability to the shoulder joint by deepening the glenoid cavity and acting as a cushion between the humeral head and the glenoid.