Atlanto-occipital joint

Definition

The atlanto-occipital joint is a synovial joint that connects the atlas (the first cervical vertebra) to the occipital bone of the skull, allowing for nodding and slight lateral movement of the head. It is a pivotal component in the mechanics of neck movement and head stabilization.

Related terms

Synovial Joint: A type of joint that is surrounded by a fluid-filled capsule, facilitating smooth movement between bones.

Atlas (C1 Vertebra): The first cervical vertebra in the spine, playing a crucial role in supporting the skull and facilitating its range of motion.

Occipital Bone: The cranial bone forming the posterior base and sides of the skull, articulating with the atlas at the atlanto-occipital joint