Final answer:
Without the ability to see the actual images, it is not possible to determine which specific lesion the yellow arrows are pointing to. The possible lesions include Bankart, Hill-Sachs, SLAP, or rotator cuff tears, all of which are shoulder injuries that vary in symptoms, treatment, and severity.
Step-by-step explanation:
Without seeing the image the student is referring to, it is not possible to give a specific answer to which type of lesions the yellow arrows are pointing to. In general, Bankart lesions are injuries to the glenoid labrum caused by shoulder dislocation. A Hill-Sachs lesion is a compression fracture of the humeral head associated with anterior shoulder dislocation. A SLAP lesion (Superior Labrum Anterior and Posterior) refers to a tear of the labrum all the way from the front to back of its attachment, and a rotator cuff tear is a tear of the muscles or tendons of the rotator cuff group.
Injuries to the shoulder such as these can result from repetitive use or acute trauma which can lead to inflammation, tears, and in some cases surgeries that range from exercise to surgery based on severity.