Frozen shoulder occurs when the tissue that holds the bones in your shoulder together gets stiff and restricts your movements. The following are some of the signs and symptoms: one shoulder hurts, aches and pains in the upper arm, or restricted shoulder motion. Those recovering from strokes,...
The pecs are the main and the largest chest muscles. Their function is internally rotate the humerus (the upper arm bone) as well as adduct it (bringing it closer to the body). This last function is mainly responsible for the incline bench press motion. The pectoralis has two main heads,...