12 reactions | The glenoid labrum usually tears as a result of a specific trauma, such as a fall onto an outstretched arm. Tears can also result from chronic overhead movement, as occurs in pitching. Refresh your knowledge here: https://mrkmnls.co/3Ls8lK2 #ParisOlympics | Merck Manual Professional | Facebook

The glenoid fossa is a shallow, concave depression located on the lateral side of the scapula, forming part of the shoulder joint. It articulates with the head of the humerus, creating the glenohumeral joint, which allows for a wide range of movement in the shoulder. The surface of the glenoid fossa is covered with articular cartilage, providing a smooth surface to facilitate joint motion. To improve the stability of this relatively shallow socket, the glenoid labrum, a ring of fibrocartilage, s