Core · Bodyweight
Side Plank Knee Tuck
How to do the side plank knee tuck, the muscles it works, and the mistakes to avoid. Pulled straight from the Kovo app's exercise library.
- Equipment
- Bodyweight
- Difficulty
- Intermediate
- Logged as
- Weighted reps
- Movement
- Flexion
- Mechanic
- Isolation
How to do it
Set up in a side plank on your forearm with your body in a straight line. Drive your top knee up toward your chest and elbow, then extend it back out without letting your hips drop. Repeat for reps, then switch sides.
- 1Your bottom-side obliques firing to hold the hips up
- 2A crunch through the side of your waist as the knee drives in
- 3Your shoulder stacked and pushing the floor away
Common mistakes
- Letting your hips sag toward the floor on each tuck
- Rotating your torso forward as you bring the knee in
- Collapsing into your supporting shoulder
Muscles worked
The side plank knee tuck mainly works the obliques, with the upper abs, lower abs, glutes, side delts, and hip flexors assisting.
- ObliquesPrimary
- Upper AbsSupport
- Lower AbsSupport
- GlutesSupport
- Side DeltsSupport
- Hip FlexorsSupport
- QuadsMinor
Kovo programs the side plank knee tuck 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.