labrum Archives | Mathew Mazoch, MD

Bone & Joint Clinic of Baton Rouge | Sports Medicine

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All Posts Tagged: labrum

Shoulder Labral Tear

Overview of Shoulder Labral Tear

The shoulder is made up of three bones: the shoulder blade (scapula), the humerus (upper arm bone), and the clavicle (collarbone).   A part of the scapula, called the glenoid, makes up the shoulder socket. The glenoid is very shallow and flat. The labrum is a rim of soft tissue that makes the glenoid socket deeper so that it molds to fit the head of the humerus.

The labral tissue can be caught between the glenoid and the humerus. When this happens, the labrum may start to tear or get damaged. If the tear gets worse, it may become a flap of tissue that can get caught between the head of the humerus and the glenoid and cause pain.  The labrum combined with the ligaments, tendon, and capsule all contribute to the stability of the shoulder.  When people develop a labral tear the shoulder often becomes much less stable.

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This is a look at shoulder from the side with the humerus and muscles removed. The labrum is the rim of tissue that surrounds the glenoid.

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