The different types of movement that are permitted at each joint are described below. Flexion – bending a joint. This occurs when the angle of a joint decreases. For example, the elbow flexes ...

Deltoid Abduction of the shoulder (moving the arm outwards and away from the body ... the arm towards the body); Shoulder horizontal flexion (moving the arms forwards in front of the body ...

These two heads, the long and the short, are vital for arm movements. Functionally, the biceps are key players in elbow ...