What equipment do you need for the seated in-out leg raise on floor?

The seated in-out leg raise on floor is a bodyweight exercise and needs no equipment.

Core · Bodyweight

Seated In-out Leg Raise on Floor

How to do the seated in-out leg raise on floor, 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

Find more:Abs & Core exercises Bodyweight exercises

How to do it

Sit on the floor with your hands behind you for support and lean your torso back slightly, lifting your feet off the ground. Pull your knees in toward your chest, then extend your legs straight back out without letting your heels touch the floor. Keep your core braced throughout.

1Feel your lower abs work as you pull the knees in and extend out
2Keep your torso leaned back and core braced
3Move smoothly without letting your feet touch down

Common mistakes

Avoid rounding forward to meet your knees
Don't let your lower back collapse as the legs extend
Avoid rushing; control both directions

Muscles worked

The seated in-out leg raise on floor mainly works the lower abs and hip flexors, with the upper abs, obliques, and quads assisting.

Lower AbsPrimary
Hip FlexorsPrimary
Upper AbsSupport
ObliquesSupport
QuadsSupport
TricepsMinor
ForearmsMinor

Kovo programs the seated in-out leg raise on floor 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.