What It Is
Your stomach muscles do the work of lifting and lowering both legs while you lie flat on your back.
How to Do It
Lie on your back on the floor, legs straight and hands flat under your hips. Lift your legs together until they point at the ceiling. Lower them slowly, stopping just before your heels touch the floor.
Skill Level
Beginner. One new pattern or machine to learn, with light loads and low risk.
Type
Strength. Builds muscle and strength with controlled, resisted movement.
Engagement
Bilateral. Each rep works both sides of the body at once.