Main muscle
Supporting
Beginner
Sprinter crunch
A sit-up that drives one knee and the opposite arm forward, like a sprinter.
- Works
- AbsHip flexorsObliques
- Equipment
- No equipment
How to do it
- 1Lie on your back with your legs straight and your arms by your sides.
- 2Sit up while pulling one knee to your chest and swinging the opposite arm forward.
- 3Lower back down under control.
- 4Alternate sides with each rep.
Coach's tips
- Keep it controlled first. Speed comes later.
Other ways to train this
Same muscles, different equipment. Closest match first.