while at the same time permitting side to side motion and rotation of head, greatly improving flexibility and rotation of skull with vertebral column. With the exploitation of terrestrial habitats, ...
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The best erector spinae exercises: The exercises, benefits, and moreThe erector spinae is a group of muscles that run vertically along each side of the vertebral column, from the sacrum to the base of the skull ... Cross your arms in front of you or place your ...
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