Crunch
Step-by-step technique for Crunch, an exercise for upper abs using bodyweight. From the Frog Fitness exercise library.
How to do it
- Lie on your back with bent knees and feet on the floor.
- Place your hands lightly behind your head.
- Lift your upper back off the floor by contracting your abs.
- Lower under control.
Coach tip: Don’t pull on your neck. Lift with your abs, not your arms.
Muscles worked
Primary: Upper Abs
Crunch is a strength exercise that loads the upper abs using bodyweight. Log it in Frog Fitness to follow how the load develops over time.
At a glance
- Primary muscle
- Upper Abs
- Equipment
- Bodyweight
- Type
- Strength