Acetabular labrum, a ring of cartilage that surrounds the acetabulum, the socket of the hip joint
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Glenoid labrum, a lip-like projection of cartilage on the human scapula surrounding the joint between the humerus and the shoulder blade
Blanco had surgery on his left shoulder on September 29, 2006, to repair a posterior labrum tear in his left shoulder, which he injured during a swing five days prior against the Tigers.
Johns was recruited by Essendon from East Fremantle (WAFL) playing in the colts, State U18s & reserves, until a career threatening fractured labrum in his draft year (2002 rookie draft) which kept him from the playing field for over two years.
After a successful stint with the Double-A Bowie Baysox, he made his debut for the Orioles on August 20, 2004, but suffered a torn labrum in his left shoulder and was limited to nine major league games.