Neck Safety and Yoga Inversions

By Dr. Robin Armstrong • October 28th, 2008 • 12431 Views

Turning the World Safely Upside Down -- The Safe Practice of Headstand and Shoulderstand Yoga Poses

Yoga inversions can be a joyful, empowering, perspective-altering experience. They require us to do things with our body that we might not have experienced since childhood. What makes yoga inversions so exciting is the fact we are using our arms and heads in ways we do not normally do. We can also make them high risk, leaving us susceptible to injury. Our necks, in particular, can bear the brunt of injuries in certain inversions.

To understand how to practice yoga inversions safely, let's first discuss the anatomy of the neck.

Free Range

The neck, or cervical spine, is formed by seven vertebrae that stack on top of each other. The vertebrae form joints with the one above and below, and move by gliding on the joints. The neck has a forward curve known as lordosis. During development, the curve of the neck is formed when we started to lift our heads as infants.

The vertebrae are separated by a disc, which acts as a shock absorber and a pivot point for motion. The exception to this is there is no disc between the first and second vertebrae, which are shaped completely different than the other vertebrae of the spine. The second vertebra-also known as the axis vertebra-has a peg-like protrusion that fits into a hole in the first vertebra, also known as the atlas vertebra.

The cervical spine has a vast range of motion capable of rotation, flexion, extension, and side bending. It has the most motion of all the sections of the spine. This mobility means that stability is sacrificed. As the vertebrae move in relation to each other (gliding on the joints), the discs also move. As the cervical spine flexes forward, the discs move backward, and as the spine moves backward in extension the disc moves forward. The disc is full of a jelly like substance known as the nucleus pulposis, and if the outer fibers of the disc tear, the internal substance can be squished out resulting in what's known as a disc herniation.

Top as Bottom

When we use our head as our foundation, instead of our feet, we need to recruit stability for an unstable surface. ...

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Location:  Vancouver, CA

Dr. Robin Armstrong is a chiropractor and yoga teacher in the Kitsilano neighborhood of Vancouver.  Combining her two roles, she has taught yoga anatomy for a number of yoga teacher training programs as well as workshops...