Core · Bodyweight
Seated Side to Side Leg Raise Crunch on Floor
How to do the seated side to side leg raise crunch on floor, the muscles it works, and the mistakes to avoid. Pulled straight from the Kovo app's exercise library.
- Equipment
- Bodyweight
- Difficulty
- Intermediate
- Logged as
- Weighted reps
- Movement
- Rotation
- Mechanic
- Isolation
How to do it
Sit on the floor leaning back on your hands with legs extended and lifted a few inches off the ground. Swing both legs together from one side to the other while crunching the trunk, controlling the path each direction.
- 1Obliques firing hard as the legs sweep side to side
- 2Lower abs holding the legs up the entire set
- 3A controlled arc rather than a swing
Common mistakes
- Dropping the feet to the floor between reps
- Pulling with the hip flexors instead of the abs
- Rounding and straining the neck to crunch
Muscles worked
The seated side to side leg raise crunch on floor mainly works the obliques and lower abs, with the hip flexors and upper abs assisting.
- ObliquesPrimary
- Lower AbsPrimary
- Hip FlexorsSupport
- Upper AbsSupport
- QuadsMinor
- AdductorsMinor
Kovo programs the seated side to side leg raise crunch on floor 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.