Abs · Body weight · Beginner

How to do Elbow-to-knee

The elbow-to-knee exercise is a bodyweight movement targeting the abdominal muscles, especially the abs and obliques, through a twisting, crunch-like motion.

Elbow-to-knee demonstration
Primary muscle
Abs
Also works
Obliques
Equipment
Body weight
Level
Beginner
Category
Abs

How to do Elbow-to-knee, step by step

  1. Start by lying 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, bring your left knee towards your right elbow, creating a twisting motion.
  5. Pause for a moment at the top, then slowly lower your upper body and extend your legs back to the starting position.
  6. Repeat the movement, this time bringing your left elbow towards your right knee and your right knee towards your left elbow.
  7. Continue alternating sides for the desired number of repetitions.

Muscles worked

Elbow-to-knee works your abs as the main mover, with help from your obliques.

Track Elbow-to-knee in SPLYT

Elbow-to-knee is already in SPLYT’s exercise library. Log your sets, reps and weight on iPhone or Apple Watch, with last time’s weights already filled in.

Get SPLYT on the App Store