Pivot joint

Definition

A pivot joint is a type of synovial joint that allows rotational movement around a single axis. It enables movements such as turning the head from side to side or rotating the forearm.

Related terms

Synovial Joint: A freely movable joint characterized by a fluid-filled joint cavity that separates the articulating surfaces of the bones.

Rotation:

A movement in which something, such as a bone or entire limb, pivots or revolves around a single long axis.

Axis Bone: The second cervical vertebra (C2) of the spine, around which the first cervical vertebra (the atlas) rotates, enabling head movement