What Is Atlas?
Atlas is the first cervical vertebra at the top of the spinal column, directly beneath the skull. This ring-shaped bone supports the head and connects with the axis, the second cervical vertebra. Its joints allow controlled head movement while helping protect the upper spinal cord and nearby nerves.
Quick Facts About Atlas
Category
Upper cervical vertebra
Used for
Head support and neck movement
Common confusion
Often confused with the axis
Also called
C1 Vertebra, First Cervical Vertebra
Often discussed with
Neck Pain Treatment
Key Takeaways About Atlas
- The atlas forms a ring instead of a typical solid vertebral body.
- Its joints support head movement and alignment in the upper neck.
- The atlas is not the same bone as the axis.
How Atlas Works

The atlas supports the skull through paired joints at the top of the neck. Its ring shape leaves space for the upper spinal cord and allows the head to nod through movement at the joint with the skull. The atlas also connects below with the axis, which has a projection that helps the head rotate.
Related glossary terms: Axis, Cervical Spine, Neurological Exam.
Healthcare professionals consider the atlas during a neck assessment by reviewing posture, movement, tenderness, and related neurological findings. The bone itself does not move independently. Muscles, ligaments, joints, and nearby nerves work together to control upper-neck motion. Neck pain treatment may address the surrounding structures after an examination identifies the relevant source of symptoms.

From the Arrowhead Clinic Chiropractic - Albany team
When we assess the atlas during neck pain treatment, we examine upper-neck motion, posture, and surrounding muscle tension. We also consider neurological findings and the relationship between the atlas, the skull, and nearby cervical joints. Our examination helps determine whether the upper neck is relevant to the person’s symptoms.
Atlas in Practice: A Real-World Example
A person with neck pain and reduced head rotation may receive an assessment of the atlas and nearby cervical joints. The examination can include movement checks, posture review, and evaluation of surrounding muscles before care is selected.
Related Services
Related Terms
Axis
Axis is the second cervical vertebra in the neck. It sits below the atlas and has…
Cervical Spine
Cervical Spine is the upper section of the spinal column in the neck. It supports the…
Neurological Exam
A neurological exam is a clinical assessment of the nervous system. It checks functions such as…
Range Of Motion
Range Of Motion is the amount and direction a joint can move through its available movement…
Arrowhead Clinic Chiropractic - Albany
Have Questions About Atlas?
Contact Arrowhead Clinic Chiropractic - Albany for practical guidance on Atlas and related chiropractor work in Albany.
