When a person experiences a dislocated shoulder, the rotator cuff can be affected in various ways. The rotator cuff is a group of muscles and tendons that surround and support the shoulder joint, providing stability and facilitating its movement. During a shoulder dislocation, the humerus (upper arm bone) pops out of its socket within the shoulder joint. This forceful displacement can lead to several injuries to the rotator cuff such as strains and tears, labrum tears, and impingement.