Tuesday, July 27, 2010
What is the prime mover in a shrug of the shoulders?
It is usaully the muscle "Sternocleidomastoid" which pulls the clavicle bone upwards also downwards.
hope this helps^_^
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It is usaully the muscle "Sternocleidomastoid" which pulls the clavicle bone upwards also downwards.
hope this helps^_^
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