Defying Gravity: Your Butt-Sculpting Workout Plan. 9 workouts to tone your backside from Fitness Magazine. Do not have time for the gym? Try these at home. Get ready for summer or vacation? Try the Swaying Bridge.
Side Plank Crunch Start on your right elbow, right foot slightly in front of the left. Keep core tightened throughout. Pull right knee towards chest and crunch your left elbow towards it. Then bring back out to side plank.