The shoulder labrum is a piece of soft cartilage in the socket-shaped joint in your shoulder bone. It cups the ball-shaped joint at the top of your upper arm bone, connecting the two joints. A group ...

Labrum is soft cartilage that lines the ball-and-socket joints of the shoulders. This cartilage encircles the glenoid, a cavity in the shoulder blade, providing protection and stability to the ...

Posterior instability is less common than anterior shoulder instability, encompassing approximately 10% of all shoulder instability in young active patients. The etiology of posterior instability is ...