Lie facedown. Rest on your forearms, palms flat on the floor; tuck your toes. Push up off the floor, rising up onto your toes, elbows, and forearms so your back is in a straight line from head to heels.
Hold for 30 seconds, eventually working up to 2 minutes.
This powerful move helps you get a strong back for great posture and a long, lean core. Watch this video to learn how to really engage your abs and improve your balance.See the first workout moveSee the full flat-belly workout