Core · Bodyweight
Twist Crunch Legs-up
How to do the twist crunch legs-up, the muscles it works, and the mistakes to avoid. Pulled straight from the Kovo app's exercise library.
- Equipment
- Bodyweight
- Difficulty
- Intermediate
- Logged as
- Reps
- Movement
- Rotation
- Mechanic
- Isolation
How to do it
Lie on your back with your legs raised straight up and your hands behind your head. Crunch up and twist your torso to bring one shoulder toward the opposite side, lower with control, then alternate sides while keeping your legs up.
- 1Feel your obliques rotate the shoulder across the body
- 2Keep your legs steady and pointing up
- 3Lift with your core, not your neck
Common mistakes
- Do not pull on your head with your hands
- Avoid letting your legs drift or drop
- Do not rush the twist without controlling the lift
Muscles worked
The twist crunch legs-up mainly works the obliques, upper abs, and lower abs, with the hip flexors assisting.
- ObliquesPrimary
- Upper AbsPrimary
- Lower AbsPrimary
- Hip FlexorsSupport
- QuadsMinor
Kovo programs the twist crunch legs-up for you and tracks it every session.
We build your whole program, drop the right lifts into each workout, and adjust your weights as you get stronger. Free on iOS and Android.
More abs & core exercises
- How to do the ab wheel rollout
- How to do the ankle tap plank
- How to do the ankle taps
- How to do the resistance band dead bugs
- How to do the resistance band pallof press
- How to do the rollout
Last reviewed June 2026.