- Stand on the chair and grip handholds to stabilize your upper body.
- Press your back against the pad and keep the shoulders relaxed.
- Bend the knees and contract the abs to lift the knees to hip level.
- Try not to arch the back or swing the legs up.
- Slowly lower back down and repeat for 1-3 sets of 12-16 reps.
The captain's chair leg raise, usually available in most gyms, works the rectus abdominis as well as the obliques.
View this exercise in the Best Ab Workout.
Next: Ball Crunch