flat on the floor at your sides as an alternative). Your shoulder should remain relaxed on the floor. The Exercise: Lift with the lowest area of your abs so that your hips rise off the floor. Squeeze and hold for several seconds at the start of the movement, then return to the starting position. Reverse Crunch Starting Position: Lie on your back with your legs and hips bent at 90-degree angles, and your arms relaxed at your sides, palms facing down. The Exercise: Pull your abs in, and lift your hips as if you were tipping a bucket of water thats resting on your pelvis. Floor Crunches Starting Position: Lie on a floor (or mat), place your hands behind your head, bring your knees together, and place your feet flat on the floor about a foot from your hips. The Exercise: Start by pushing your lower back down, almost like your trying to make a dent in the floor. Then begin to roll your shoulders up, keeping your knees and hips stationary. Continue to push down as hard as you can with your lower back. The range of motion in this exercie is very limited. Your shoulder only come off the ground a few inches. Hold this position and flex your abdominal muscles as hard as you can for a count of one, and then slowly lower your shoulders back down to the floor, but never stop pushing down with your lower back. Take your time on this exercise, its