Ab exercises

Lying Knee Raise

Also known as: Relevés de genoux allongé · Ανυψώσεις γονάτων ξαπλωτός · lying knee raises · lying knee tuck · floor knee raise

Primary
Abs
Equipment
Bodyweight
Type
Isolation
Suggested rest
45 s

How to do the Lying Knee Raise

  1. Lie on your back with your hands by your sides or under your glutes.

  2. Bend your knees and lift your feet slightly off the floor.

  3. Bring your knees toward your chest, lifting your hips a little at the end.

  4. Lower slowly without letting your feet touch down, then repeat.

Sets and reps

GoalSetsRepsRest
Muscle growth2–410–1545 s
Muscular endurance2–315–2545 s

When you hit the top of the rep range on every set, add a rep or a harder variation next session.

Starting points from training research. Stop each set 1–3 reps short of failure.

Muscles worked

Primary

Abs

Secondary

Obliques

The abs flex your spine and stop it from arching. Mix crunching moves (crunches, leg raises) with anti-extension work (planks, rollouts).

Train smarter

Bodyweight ab exercises