Shoulder Labrum Injury? Here’s what you need to know… - If you have ever heard of a SLAP tear it refers to an injury to the labrum in the shoulder, that can sometimes involve tearing of the long head of the biceps tendon too. - The glenoid labrum helps deepen the socket for more stability, so an injury here will often present with a feeling of shoulder instability and a pain deep in the joint. - One rehab mistake many people make is rushing into open chain pressing exercises. (ex: Single arm DB