1. Works your upper abs, your lower abs, your obliques, and your lower back.
2. Builds the stabilizer muscles.
3. Builds strength for pushups.
4. Promotes good posture and helps prevent back injuries.
5. Teaches your abs to stay contracted in a regular standing position.
1. Get face down on the floor resting on your forearms and knees-- an easier variation to rest on hands and knees.
2. Push off the floor, raising up off your knees onto your toes and resting mainly on your elbows.
3. Contract your abs to keep yourself up and prevent your booty from sticking up.
4. Keep your back flat. Picture your body as a long straight board, or plank.
5. Hold and aim for 20-30 seconds in the beginning and work your way up to one minute, as you get stronger.
6. Repeat three times.