Core · Bodyweight
Weighted Seated Tuck Crunch on Floor
How to do the weighted seated tuck 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
- Reps
- Movement
- Flexion
- Mechanic
- Isolation
How to do it
Sit on the floor leaning back slightly with your feet off the ground and a weight held at your chest. Tuck your knees in toward your chest while crunching your torso forward, then extend your legs back out under control without letting them touch down.
- 1A deep squeeze through the lower abs as knees and chest meet
- 2Constant tension with your feet hovering off the floor
- 3The added weight making each crunch harder to hold
Common mistakes
- Resting your feet down between reps
- Yanking your knees in with momentum
- Rounding into your lower back instead of crunching the abs
Muscles worked
The weighted seated tuck crunch on floor mainly works the lower abs and upper abs, with the hip flexors and obliques assisting.
- Lower AbsPrimary
- Upper AbsPrimary
- Hip FlexorsSupport
- ObliquesSupport
- ForearmsMinor
- QuadsMinor
Kovo programs the weighted seated tuck 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.
