Swiss Ball Leg Curl

This exercise is one of the few moves that really targets your hamstrings well. Try to keep your hips lifted and your core engaged throughout the move.
Swiss Ball Leg Curl
  1. Lie faceup on floor with knees bent,heels on top of Swiss ball, arms extended by sides, palms down.
  2. Slowly lift hips off floor, as you extend legs in front of you, forming a diagonal line from heels to shoulders.
  3. Bring knees back toward chest and return to start.