Paired contraction of spinal muscles that are posterior to the axis of rotation will cause:

Name: Paired contraction of spinal muscles that are posterior to the axis of rotation will cause:
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Question

Quizplus · Accepted Answer

Muscles located posterior to the axis of rotation in the spine, when contracting together (paired contraction), will cause extension of the spine. This is because their action pulls the back backward, increasing the curvature of the spine in an extending manner.

Paired Contraction of Spinal Muscles That Are Posterior to the Axis