Supine Heel Dig – Knees Straight

  • HOW: Get set-up laying flat on your back with your legs straight. While keeping your knee straight, dig your heel into the ground as hard as you can trying to bend your knee, but nothing should be moving.
  • FEEL: You should feel the muscles behind your thigh and your butt muscles working.
  • COMPENSATION: Do not arch your back, do not bend your knee, do not lift your butt up off the ground.  

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