CRUNCHES: This is an isolation exercise. It works the abdominal muscles. Lay on a bench or on a mat on the floor. Draw your feet in toward your body so that your knees point up. Put your hands behind your head and keep your back and feet flat on the floor. Use your abdominal muscles to lift your shoulders off of the ground. Curl your upper body toward your knees. Lower and repeat. This exercise can also be done on an incline sit up board.

LEG RAISE: This is an isolation exercise. It works the abdominal muscles. Lay on a bench or on a mat on the floor. Keep your back and upper body flat on the floor. Use your abdominal muscles to pull your knees in toward your body. Lower and repeat. This exercise can also be done hanging from a pull up bar or while laying on an incline abdominal board.

INCLINE SIT UP: This is an isolation exercise. It works the abdominal muscles. This exercise can be done on an incline sit up bench or on a Roman chair. Sit on the bench with your feet under the foot holder pads. Lower your body backwards. Try not to use the lower back muscles. Do not lower your self back all the way. Lower your self back far enough for you to feel your abdominal muscles doing the work. Raise yourself back to the starting position and repeat.