Pivot joints are joints that permit the rotatory movement of bones, around a single axis. The atlantoaxial joint is a pivot joint between the first and second cervical vertebrae, the Atlas and Axis.
The skull is a bony structure that supports the face and forms a protective cavity for the brain. The human skull consists of 22 bones.
The cervical spine is the most superior portion of the vertebral column, lying between the cranium and the thoracic vertebrae. The first cervical vertebra is known as the atlas and the second cervical vertebra is known as the axis.