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SLAP is an acronym for "Superior Labrum Anterior and Posterior". [1] SLAP lesions are commonly seen in overhead throwing athletes but middle-aged labor workers can also be affected, and they can be caused by chronic overuse or an acute stretch injury of the shoulder.
The glenoid cartilage underneath the labrum in the glenohumeral (GH) joint is disrupted by glenolabral articular disruption. [5] The articulation of the humeral head inside the glenoid fossa of the scapula forms the GH joint itself, which is a synovial ball and socket joint.
A SLAP lesion (superior labrum, anterior to posterior) is a tear where the glenoid labrum meets the tendon of the long head of the biceps muscle. Symptoms include increased pain with overhead activity, popping or grinding, loss of strength, and trouble localizing a specific point of pain. [3]
This condition can cause a tear in the labrum (the tissue that surrounds the socket), and a pinching of the joint. “As people progress in age, a more common cause of pain would be hip arthritis ...
Over time, with enough force, a tear may develop in the labrum. The labrum is a rim of cartilage around the shoulder socket to help hold the head of the humerus (upper arm) in the joint. This condition is called a superior labrum anterior posterior (SLAP) lesion. The outcome in all these steps is the dead arm phenomenon.
The bumper keeps the ball on the track. The labrum tries to keep the ball in the socket, and the shoulder socket is a pretty shallow joint. It's not as confined as a hip joint. The labrum deepens ...
The pain from these contractions can cause mobility limitations and a tense feeling within the muscle, he says. While they’re usually harmless, muscle cramps are undoubtedly uncomfortable.
An acetabular labrum tear or hip labrum tear is a common injury of the acetabular labrum resulting from a number of causes including running, hip dislocation, and deterioration with ageing. Most are thought to result from a gradual tear due to repetitive microtrauma .