MUSCLE PHYSIOLOGY

Detailed explanation-1: -Anterior dislocation is the most common, accounting for up to 97% of all shoulder dislocations. Mechanism of injury is usually a blow to an abducted, externally rotated and extended extremity.

Detailed explanation-2: -Lots of force on the ligaments in these joints can cause the head of the bone (ball) to partly or fully come out of the socket. The most commonly dislocated joint is the shoulder.

Detailed explanation-3: -Mechanism of Injury / Pathological Process Contact sports injuries are a common cause a dislocated shoulder as are motor trauma and falls. An anterior dislocation is the most common dislocation and is caused by the arm being positioned in an excessive amount of abduction and external rotation.

Detailed explanation-4: -Dislocation usually involves the body’s larger joints. In adults, the most common site of the injury is the shoulder. In children, it’s the elbow.

Detailed explanation-5: -Anterior (forward). The head of the arm bone (humerus) is moved forward, in front of the socket (glenoid). Posterior (behind). The head of the arm bone is moved behind and above the socket. Inferior (bottom).