Exercise library

Core

Crunch

No equipment needed

Primary muscle
Core
Equipment
Bodyweight
Movement pattern
Core
Role in a program
Accessory

How to do it

Lie on your back with knees bent and feet flat, hands lightly behind your head. Curl your shoulder blades off the floor by contracting your abs, keeping your lower back down. Lower under control without letting your head pull your neck forward.

Video demo coming soon.

Similar & swap-friendly exercises

Missing the equipment, or does this one aggravate something today? These also train the core — pick a substitute that feels strong and pain-free. For an actual injury, get it assessed by a professional.

No-equipment alternatives

Training at home or on the road — bodyweight options for the core: