Core
Easy · Reps
Reverse crunch
Curl your knees to your chest: the lower part of the abs.
Just floor space
How to do it
- 1 Lie on your back, knees bent, hands by your sides.
- 2 Curl your hips off the floor, bringing your knees to your chest.
- 3 Lower slowly without letting your feet crash down.
Watch out for
- Swinging the legs
- Pulling with the neck
The progression
Your plan moves you up one rung when you hit the top of the range on every set.