Flat Back
Targets: Rectus and transversus abdominis
- Sit on floor with lower back against a wall, knees slightly bent and feet planted wider than shoulder-width apart. Place hands on floor between legs and squeeze abs.
- Press into floor with fingertips and lift feet about 6 inches. Make it easier: Lift and lower left foot; then repeat with right to complete 1 rep.
- Do 3 sets of 20 reps.