Core · Cable
Cable Standing One Arm Serratus (Obliques) Crunch
How to do the cable standing one arm serratus (obliques) crunch, the muscles it works, and the mistakes to avoid. Pulled straight from the Kovo app's exercise library.

- Equipment
- Cable
- Difficulty
- Intermediate
- Logged as
- Weighted reps
- Movement
- Flexion
- Mechanic
- Isolation
How to do it
Stand side-on to a high cable and hold the handle with one hand near your shoulder. Crunch down toward the opposite hip by pulling your ribs down and across against the cable, then return under control and switch sides.
- 1The working-side obliques pulling your ribs down and across
- 2A short, sharp crunch rather than a full bend
- 3Steady cable tension as you return upright
Common mistakes
- Twisting from the hips instead of the waist
- Pulling the handle down with your arm
- Leaning away to use bodyweight instead of the obliques
Muscles worked
The cable standing one arm serratus (obliques) crunch mainly works the obliques, with the upper abs and lower abs assisting.
- ObliquesPrimary
- Upper AbsSupport
- Lower AbsSupport
- ForearmsMinor
- LatsMinor
- Lower BackMinor
- Hip FlexorsMinor
Kovo programs the cable standing one arm serratus (obliques) crunch 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.
