mat with your arms bent and close by your side. The Exercise: Lift your body by tightening your abdominal and back muscles. Your weight will rest on your forearms and toes. Face looks down at the floor. Tip: Modify by resting on your knees, rather than toes (beginners). Make sure lower back doesn't sag. Don't forget to breathe while holding the position. Oblique Crunch Starting Position: Lie flat on your back, your knees bent and your hands beside your head. Let your legs fall as far as they can to your right side so your upper body is flat on the floor and your lower body is on its side. The Exercise: Press your lower back down into the floor while you roll your upper body slightly up until your shoudler blades clear the floor. Concentrate on your obliques (the muscles on the side of your waist), and contract and hold the crunch for a count of one. Slowly lower to the starting position. Count one, and then perform your next rep. After you complete the number of planned reps on your right side, switch to your left and follow the same instructions. Lower Ab Lift Starting Position: Lie flat on your back on the floor, with your legs straight up in the air directly above your hips and your feet flexed. Stretch your arms back behind your head and grasp a leg of your bench, or any other sturdy object that can support your weight (optional, lay your hands