Supine Active Knee Flexion

  • HOW: Begin face up, then drive your heels into the floor until your heels get close your butt. Here I am using my socks on wood to slide my legs, key is to use a frictionless surface (ie magazine on carpet, pillow cloth on hardwood)
  • FEEL: The exercise should be working the muscles in the back of the leg, specifically the hamstring muscles.
  • COMPENSATION: Avoid arching at the low back when you dig your heel into the floor

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