Extension of the shoulder occurs when the humerus moves backwards from the ... Ball and socket joints also allow types of movement called abduction, adduction, rotation and circumduction.

For patients with humeral fractures, early active motion yielded similar postoperative outcomes to conventional sling immobilization. Both cohorts had similar functional and quality of life scores ...

Occasionally, the humeral head comes out of or separates ... Moving your arm out to the side (abduction) and rotating it away from the body (external rotation) tends to irritate this type of ...