Core · Bodyweight
Frog Crunch Hold
How to do the frog crunch hold, the muscles it works, and the mistakes to avoid. Pulled straight from the Kovo app's exercise library.

- Equipment
- Bodyweight
- Difficulty
- Intermediate
- Logged as
- time
- Movement
- Isometric
- Mechanic
- Isolation
How to do it
Lie on your back with the soles of your feet together and knees dropped out to the sides in a frog position. Crunch your shoulders up off the floor and reach toward your feet, then hold at the top while keeping your abs tight. Lower under control after the hold.
- 1Upper abs squeezing hard at the top of the crunch hold
- 2Inner thighs relaxed open in the frog position
- 3Steady tension across your core as you hold
Common mistakes
- Pulling on your neck to lift higher
- Letting your lower back arch off the floor
- Holding your breath through the contraction
Muscles worked
The frog crunch hold mainly works the upper abs, with the lower abs, obliques, and hip flexors assisting.
- Upper AbsPrimary
- Lower AbsSupport
- ObliquesSupport
- Hip FlexorsSupport
Kovo programs the frog crunch hold 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.
