A SLAP lesion, also known as SLAP tear, is an injury to the Glenoid labrum, which is the ring cartilage that surrounds the socket of the shoulder joint. SLAP is an acronym for Superior Labral tear from Anterior to Posterior.
Injuries to this tissue rim surrounding the shoulder socket can occur from acute trauma or repetitive shoulder motion. Examples of traumatic injury may include:
As is clear from the above reasons, people who actively use their arms for lifting and sports persons are more prone to a SLAP tear.