Crunches
Compound exercise · abs
How to do it
- Lie on your back, place your feet on the floor, and keep your neck relaxed.
- Curl your upper body up using your abs instead of momentum.
- Lower yourself slowly again without completely losing tension.
Muscles involved
- abdominals
- 100
- serratus
- 30
- obliques
- 30
- hip flexors
- 20
- hamstrings
- 5
- quadriceps
- 5
At a glance
- Type
- Compound exercise
- Movement pattern
- abs
- Equipment
- No equipment
- Optional
- mat, dumbbells
- Variations
- body weight, added weight
Follow along in the app
This exercise is in both apps. Pick whichever suits you.
Trainer
Guided strength training with a 3D coach, set by set.
Treeceps
The same exercise, inside your virtual fitness world.