Core · New to it
Crunch
A short curl of your upper back off the floor that trains the front of your abdominals.
Demo by Lena, an AI coach. Its start and end, as stills.
- Works
- abs; also obliques
- Kit
- Mat
- Dose
- 12 to 20 reps
It goes into the workout in progress at the Bench, as a new group in its main set.
Set up
Lie on your back with knees bent and feet flat, fingertips lightly behind your ears or arms crossed on your chest.
While you move
- Curl ribs toward hips
- Shoulder blades just off the mat
- Breathe out on the way up
- Lower slowly
Avoid
- Pulling on your head with your hands
- Sitting all the way up with momentum
Take care if you have trouble with lying on your back (later pregnancy) or your neck.