Turning the World Safely Upside Down Part II

The Safe Practice of Headstand and Shoulderstand Continued....

Not a Neck Stand

Another common inversion is sarvangasana or shoulder stand. Shoulderstand can be a great chest opener, a way to relieve swelling in the legs and is traditionally credited with stimulating the thyroid gland and abdominal organs.

Shoulderstand requires us to place the neck into a deep flexion. It is important that we support the cervical spine by allowing weight to rest on the fleshy part of our upper shoulders and back. We can improve this by rolling our shoulders under slightly to begin the pose, so that we are open across the collar bones and help maintain the lordotic curve of the neck. To take some of the weight off of the neck and upper shoulders we can practice ardha sarvangasana or half shoulderstand. In this version, we do not bring the feet all the way up to vertical but allow the weight of the body to be well supported by the hands on the lower spine, with the body and legs at approximately a 45 degree angle. It is important never to move the head around in the pose to avoid awkwardly weighting the neck.

Shoulderstand is an advanced posture and should only be practiced under the supervision of an experienced teacher. Individuals with high blood pressure or ocular disorders should consult a health care practitioner familiar with yoga before proceeding.

The Joy of Limitation
Once we understand the anatomy and mechanics of our bodies, we are better able to practice yoga with respect for our limitations. Knowing what we are capable of, and what our potential weaknesses are, allows us to challenge ourselves in other ways and opens doors in our practice we may never have thought to open. Enjoy the view from down there.

Turning the World Safely Upside Down Part I

The Safe Practice of Headstand and Shoulderstand

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 inversions so exciting – the fact we are using our arms and heads in ways we don’t normally – 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 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. The architecture of our head and neck is such that it is made to float and move, not to bear weight. We need to support our neck and head when we go into poses like sirsasana, or headstand.

Headstand can help us change our perspective, conquer the fear of inverting, and traditionally is thought to stimulate the pineal and pituitary glands, and tone the abdominal organs. There are many variations of headstand (tripod with head and palms on the floor; supported with head and forearms on the floor; and variations of head on the floor with finger tips out and arms extended).

The safest version of headstand is salamba sirsasana or supported headstand against a wall. Using the forearms on the mat allows us to recruit the strong muscles of the shoulder girdle to create space for the neck. It also allows us to distribute our weight between the head and forearms.

Using a wall helps to avoid awkwardly falling out of the posture. The most common way to injure our discs is when our neck is forced into flexion. This causes the disc to move backward, and if the fibres of the disc tear the nucleus pulposis center can herniate out, causing irritation to the nearby nerves that exit the spine. These nerves supply the muscles and skin of the arms and hands, and if injured can result in months of painful recovery. Unsupported headstand unfortunately leaves us vulnerable to this type of injury.

Headstand is an advanced posture and should only be practiced under the supervision of an experienced teacher. Individuals with high blood pressure or ocular disorders should consult a health care practitioner familiar with yoga before proceeding.

To be continued......

More Research for Yoga to Prevent Low Back Pain

Effect of short-term intensive yoga program on pain, functional disability and spinal flexibility in chronic low back pain: a randomized control study.

J Altern Complement Med. 2008 Jul;14(6):637-44

This randomised controlled study compared an intensive 7 day intervention of either a) yoga asana (postures), pranayama (breathing), and philosophy OR b) physical exercise under supervision of a physiatrist, and lectures on lifestyle change, for people with chronic low back pain.

The researchers were interested in pain scores and spinal flexibility. There was a significant reduction in pain scores in the yoga group as compared to the exercise group, and increased spinal flexibility in the yoga group in flexion, extension, and side bending as compared to the exercise group.

Yay for yoga! Yet another study that shows yoga can be an effective part of treatment for low back pain.