Isometric Single Leg Knee Extension โ€“ Swissball, At Wall

  • HOW: Place the swissball against a wall. While in a seated, upright position, kick into the ball and hold for a prescribed amount of time. As you kick, you shouldnโ€™t be moving at all but you will feel your muscles activating.
 
  • FEEL: You should feel your quadriceps muscles in your thigh working.
 
  • COMPENSATION: Your leg shouldnโ€™t move much as you push into the ball. Donโ€™t arch your back.

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