The atlas is the topmost vertebra and the axis (the vertebra below it) forms the joint connecting the skull and spine. The atlas and axis are specialized to allow a greater range of motion than normal vertebrae. They are responsible for the nodding and rotation movements of the head.

2022年12月1日 · The atlas is a thin ring-shaped bone that does not resemble the typical vertebrae, thus being classified as an atypical vertebra. It is the most delicate of all the 7 cervical vertebrae and lacks a vertebral body and spinous process.

2023年10月30日 · The atlas is the first vertebra of the vertebral column, located in the most superior portion of the cervical region of the vertebral column. The atlas articulates superiorly with the occipital condyles found on each side of the foramen magnum of the skull.

5 天之前 · The C1 vertebra, known as the atlas, is the superior-most vertebra in the spinal column. It plays vital roles in the support of the skull, spinal cord, and vertebral arteries and provides attachment points for several muscles of the neck.

2023年12月6日 · The atlas (plural: atlases) is the first cervical vertebra, commonly called C1. It is an atypical cervical vertebra with unique features. It articulates with the dens of the axis and the occiput, respectively allowing rotation of the head, and flexion, extension and lateral flexion of …

2024年3月20日 · The atlas bone (C1) connects your skull to your spine, and — with the support of the axis vertebra (C2) just below — the atlas determines your head’s full range of motion. Misalignments in the atlas bone can cause chronic pain, stress, decreased range of motion, and tension in the head or neck.

2024年11月7日 · The atlas bone, or C1 vertebra, plays a crucial role in the alignment and functionality of the spine, influencing everything from posture and balance to overall health. This small but powerful bone at the top of the spine supports the head and acts as a gateway for nerves, blood flow, and communication between the brain and body.