Gazdikangel Gazdikangel
  • 07-12-2014
  • Health
contestada

What bones are used to preform a sit up

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r37774 r37774
  • 07-12-2014
I think it's the spinal cord and sacrum
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hannahmichelle
hannahmichelle hannahmichelle
  • 08-12-2014
the spinal cord but most the work being done when doing a sit up is abs 
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