For example, the elbow flexes when performing ... or in the back leg as a gymnast performs a split leap. Ball and socket joints also allow types of movement called abduction, adduction, rotation ...
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 ...
Because hinge joints only move through one plane of movement, they are generally more stable than other types of synovial joints. Examples of hinge joints include: The knee joint that allows the ...