You have four main muscles that aid movement including shoulder rotation (internal and external) and abduction and help perform a variety of functions — the supraspinatus (responsible for ...

Physical examination findings include tenderness and swelling over the anterolateral aspect of the shoulder, with weakness to abduction and internal rotation. The range of motion of the shoulder may ...

Optimal shoulder function requires good kinetic chain function ... the posterior part of the IGHL shifts in front of the posterior side of the humeral head in abduction and internal rotation, ...

rotation and circumduction. Abduction – movement away from the midline of the body. This occurs at the hip and shoulder joints during a jumping jack movement. Adduction – movement towards the ...