Core · Bodyweight
90 Degrees Heel Touch Against Wall
How to do the 90 degrees heel touch against wall, the muscles it works, and the mistakes to avoid. Pulled straight from the Kovo app's exercise library.

- Equipment
- Bodyweight
- Difficulty
- Beginner
- Logged as
- Weighted reps
- Movement
- Flexion
- Mechanic
- Isolation
How to do it
Lie on your back with legs raised and feet pressed flat against a wall so your hips and knees form 90 degrees. Crunch up and reach to tap your heels, then lower your shoulders back down.
- 1Upper abs crunching to lift the shoulders toward the heels
- 2Lower back staying flat on the floor
- 3Short, controlled reach at the top of each rep
Common mistakes
- Pulling on the neck to reach higher
- Pushing into the wall to cheat the crunch
- Bouncing the shoulders off the floor between reps
Muscles worked
The 90 degrees heel touch against wall mainly works the upper abs, with the lower abs and obliques assisting.
- Upper AbsPrimary
- Lower AbsSupport
- ObliquesSupport
- Hip FlexorsMinor
Kovo programs the 90 degrees heel touch against wall 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.
