WORKS: ABS, BACK, LEGS, ARMS
1. Start in a push-up position, hands flat on the floor and below your shoulders, legs extended behind you. Your body should be straight.
2. Bend your right leg and bring it in toward your chest, then straighten it and return to starting position. Repeat with your left leg. Alternating legs, slowly do as many as you can for 60 seconds, making sure to keep your hips and butt low.