Explores the anatomy and functions of ... the characteristics and subtypes of each joint type, including examples such as the hinge joint of the elbow, the ball-and-socket joint of the shoulder ...

Flexion – bending a joint. This occurs when the angle of a joint decreases. For example, the elbow flexes when performing a biceps curl. The knee flexes in preparation for kicking a ball.

The increase in the number of participants in sports as baseball, tennis, American football and volleyball has resulted in a sharp rise of sports injuries and thus to an increased incidence of elbow ...