Core · Bodyweight
Sitting Floor Diagonal Knee Raise
How to do the sitting floor diagonal knee raise, 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
- Flexion
- Mechanic
- Isolation
How to do it
Sit on the floor leaning back on your hands with your legs extended and lifted. Draw both knees up and across toward one shoulder on a diagonal, then extend back out and alternate to the other side. Keep your core braced and your feet off the floor throughout.
- 1Your lower abs lifting and driving the knees up and across
- 2Your obliques working as the knees travel on the diagonal
- 3Steady tension in the core keeping the legs from dropping
Common mistakes
- Letting your feet rest on the floor between reps
- Using momentum to swing the knees instead of controlling them
- Rounding the lower back under the backward lean
Muscles worked
The sitting floor diagonal knee raise mainly works the lower abs, obliques, and hip flexors, with the upper abs assisting.
- Lower AbsPrimary
- ObliquesPrimary
- Hip FlexorsPrimary
- Upper AbsSupport
- QuadsMinor
- AdductorsMinor
Kovo programs the sitting floor diagonal knee raise 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.