Core · Bodyweight

Sitting Air Twisting Crunch on a Padded Stool

How to do the sitting air twisting crunch on a padded stool, the muscles it works, and the mistakes to avoid. Pulled straight from the Kovo app's exercise library.

Animated demonstration of the Sitting Air Twisting Crunch on a Padded Stool
Equipment
Bodyweight
Difficulty
Beginner
Logged as
Reps
Movement
Rotation
Mechanic
Isolation

How to do it

Sit on the edge of a padded stool with hands behind your head. Lean back slightly to load the core, then crunch up and twist, bringing one elbow toward the opposite knee. Alternate sides with each rep.

  1. 1Feel the obliques rotate the torso
  2. 2Crunch up before you twist across
  3. 3Keep tension on the abs through the lean-back

Common mistakes

  • Do not yank on your neck to twist
  • Avoid using momentum instead of the abs
  • Do not let your lower back round off the stool

Muscles worked

The sitting air twisting crunch on a padded stool mainly works the obliques and upper abs, with the lower abs and hip flexors assisting.

  • ObliquesPrimary
  • Upper AbsPrimary
  • Lower AbsSupport
  • Hip FlexorsSupport
  • Lower BackMinor
  • QuadsMinor

Kovo programs the sitting air twisting crunch on a padded stool 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.

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Last reviewed June 2026.