Spinal thought 132. The muscles along the back of the body are referred to as the extensors. When they contract they straighten the body. If they over-contract you get hyperextension such as when the head is retracted back and both the neck and the lumbar curves are increased, resulting in an overall shortening of stature. If held habitually this will cause stiffening of the back. Hyperextension is also a term used to describe exercises to increase flexibility in the back, e.g. the cobra posture in yoga.
Posted on: Tue, 13 May 2014 05:51:03 +0000
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