lying elbow to knee

A waist exercise targeting the abs, performed with body weight.

lying elbow to knee demonstration
lying elbow to knee β€” demonstration

Body part

Waist

Equipment

Body Weight

Target muscles

Abs

Secondary muscles

Hip Flexors, Lower Back

How to do lying elbow to knee

  1. Lie flat on your back with your knees bent and feet flat on the ground.

  2. Place your hands behind your head with your elbows pointing outwards.

  3. Engage your abs and lift your upper body off the ground, bringing your right elbow towards your left knee.

  4. At the same time, extend your right leg straight out and lift it off the ground.

  5. Pause for a moment, then return to the starting position.

  6. Repeat the movement, this time bringing your left elbow towards your right knee and extending your left leg.

  7. Continue alternating sides for the desired number of repetitions.

Muscles worked

Primary (target)

Abs

Secondary

Hip FlexorsLower Back

Related exercises

All waist exercises β†’

Track lying elbow to knee in NutriMind

Log your sets and the app does the rest β€” automatic PR detection, progression charts for every lift, and progressive overload that adjusts your next workout. Paired with AI nutrition coaching so your training and your plate pull in the same direction.

Planning your next heavy session? Estimate your max with the One Rep Max Calculator and build up to it with the Warm-up Calculator. More free tools β†’