Core · Bodyweight

Sitting Side Step Tuck on a Padded Stool

How to do the sitting side step tuck 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 Side Step Tuck on a Padded Stool
Equipment
Bodyweight
Difficulty
Intermediate
Logged as
Reps
Movement
Flexion
Mechanic
Isolation

How to do it

Sit on the edge of a padded stool with your torso leaned back slightly and hands gripping the sides for support. Tuck both knees toward one side of your chest, then extend and switch to step the tuck to the other side. Keep your core braced throughout.

  1. 1Feel your lower abs pull your knees in toward your chest
  2. 2Feel your obliques engage as you tuck to each side
  3. 3Keep your chest lifted and core tight the whole time

Common mistakes

  • Avoid swinging your legs with momentum
  • Don't let your lower back round against the stool
  • Avoid holding your breath; breathe through each tuck

Muscles worked

The sitting side step tuck on a padded stool mainly works the lower abs and hip flexors, with the obliques and upper abs assisting.

  • Lower AbsPrimary
  • Hip FlexorsPrimary
  • ObliquesSupport
  • Upper AbsSupport
  • ForearmsMinor
  • QuadsMinor

Kovo programs the sitting side step tuck 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.

More abs & core exercises

See all abs & core exercises →

Last reviewed June 2026.