Works: Abs, glutes, biceps, triceps
Start in a reverse push-up position, facing the ceiling withyour heels on the ground and your arms directly below theshoulders. Your body should be in a straight line from yourheels to your head. Making sure not to overarch your back,keep your right leg straight as you use your abs and glutesto raise it as high as it can go. Lower it back to the ground,and switch to left side. Repeat three sets of 15 on each side.