Move #3: Crunch
Works: Upper abdominals
A. Lie face up with your knees bent and your feet on the floor. Point your toes up to provide extra back support. Place both hands under your head with the index fingers and thumbs of each hand touching. (Don’t interlock your fingers or pull on your head, which can result in strained neck muscles; the effort should come from your abs, not your arms). Throughout this exercise, keep your lower back pressed into the floor and avoid bouncing or jerking movements.
B. Exhale as you curl your upper body toward your thighs about 30 degrees.
C. Pause briefly, then inhale as you slowly lower yourself. Do two sets of 15 reps each.