Crisscross
How to: Stand with feet hip-width apart, hands behind head, elbows out. Engage abs as you bring your right knee across your body toward your left elbow (as shown). Return to start; repeat on opposite side for 1 rep. Do 12 reps.
Crisscross
How to: Stand with feet hip-width apart, hands behind head, elbows out. Engage abs as you bring your right knee across your body toward your left elbow (as shown). Return to start; repeat on opposite side for 1 rep. Do 12 reps.
