HOW: Start in a seated position. Grab a towel or strap with both hands and wrap it around the balls of one of your feet. Bend the knee up placing just your heel on the ground. Pull the towel towards you bringing your toes up. Hold for the prescribed amount of time.
FEEL: You should feel a stretch in your calves.
COMPENSATION: Don’t slouch, sit up straight. Make sure the knee is bent, not straight.