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.

- Primary muscle
- Abs
- Also works
- Obliques
- Equipment
- Body weight
- Level
- Beginner
- Category
- Abs
How to do Elbow-to-knee, step by step
- Start by lying flat on your back with your knees bent and feet flat on the ground.
- Place your hands behind your head with your elbows pointing outwards.
- Engage your abs and lift your upper body off the ground, bringing your right elbow towards your left knee.
- At the same time, bring your left knee towards your right elbow, creating a twisting motion.
- Pause for a moment at the top, then slowly lower your upper body and extend your legs back to the starting position.
- Repeat the movement, this time bringing your left elbow towards your right knee and your right knee towards your left elbow.
- 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.













