Skip to content
Vytal
ScanTrainingBodyWidgetsInsightsFAQ
Open appSign inGet started
Vytal

Every meal. Every set. One clear picture.

Popular foods

  • Chicken breast
  • Egg
  • Rolled oats
  • All 800+ foods

Popular exercises

  • Barbell bench press
  • Barbell full squat
  • Barbell deadlift
  • All 1,500+ exercises

Workout plans

  • Push / Pull / Legs
  • Hyrox Prep
  • 4-Day Upper / Lower
  • All 40+ plans

Help

  • FAQ
  • Contact

© 2026 Vytal

PrivacyCookiesTerms
All exercises

Elbow-to-knee

Beginner

Elbow-to-knee is a isolation bodyweight exercise for the abs, also working the obliques.

What it works

Primary muscle

Abs

Also works

Obliques

Equipment
Bodyweight
Movement
Core
Type
Isolation
Logged as
Reps
Suggested rest
1 min

How to do it

  1. 1Start by lying flat on your back with your knees bent and feet flat on the ground.
  2. 2Place your hands behind your head with your elbows pointing outwards.
  3. 3Engage your abs and lift your upper body off the ground, bringing your right elbow towards your left knee.
  4. 4At the same time, bring your left knee towards your right elbow, creating a twisting motion.
  5. 5Pause for a moment at the top, then slowly lower your upper body and extend your legs back to the starting position.
  6. 6Repeat the movement, this time bringing your left elbow towards your right knee and your right knee towards your left elbow.
  7. 7Continue alternating sides for the desired number of repetitions.

What to do instead

  • Alternate heel touchersBodyweight
  • Cross body crunchBodyweight
  • Oblique crunchBodyweight
  • Oblique crunches floorBodyweight
  • Seated side crunch (wall)Bodyweight
  • Band standing crunchResistance band

Easier variations

  • Seated side crunch (wall)Bodyweight

Harder variations

  • Band bicycle crunchResistance band
  • Cable seated crunchCable
  • Cable side crunchCable
  • Cable standing crunchCable
Logged today · 1 min restElbow-to-knee

Track it in Vytal, free

Log every set, run the rest timer between them, and keep every personal record you beat.

Create free account

More Core exercises

  • 3/4 sit-upBodyweight
  • 45° side bendBodyweight
  • Ab coasterMachine
  • Bicycle crunchBodyweight
  • Arm slingers hanging bent knee legsBodyweight
  • Arm slingers hanging straight legsBodyweight