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 ...

The head of your femur, or thighbone, is shaped like a ball that fits into the socket of your pelvis. The labrum is a ring of cartilage along the edge of the socket that gives stability to the hip ...

Department of Orthopaedic Surgery, Stanford University, Redwood City, California, USA Correspondence to Professor Marc R Safran, Department of Orthopaedic Surgery, Stanford University, 450 Broadway ...