Ab Rocker

The Ab Rocker (or roller) is number 9 for targeting the rectus abdominis. To do it right:

1. Sit on the Ab Rocker and grab the bars in each hand.
2. Contract the abs and rock forward, originating the movement from the abs rather than using momentum.
3. Release and repeat for 1-3 sets of 12-16 reps.
4. Go slowly to reduce momentum. Try to focus on the abs rather than pushing with the arms.