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

Lying elbow to knee

Beginner

Lying elbow to knee is a isolation bodyweight exercise for the abs, also working the quads and lower back.

What it works

Primary muscle

Abs

Also works

QuadsLower back

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

How to do it

  1. 1Lie 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, extend your right leg straight out and lift it off the ground.
  5. 5Pause for a moment, then return to the starting position.
  6. 6Repeat the movement, this time bringing your left elbow towards your right knee and extending your left leg.
  7. 7Continue alternating sides for the desired number of repetitions.

What to do instead

  • Butt-upsBodyweight
  • CocoonsBodyweight
  • Leg pull in flat benchBodyweight
  • Knee touch crunchBodyweight
  • Lying leg-hip raiseBodyweight
  • Otis upWeight plate

Easier variations

  • Seated side crunch (wall)Bodyweight

Harder variations

  • Band alternating v-upResistance band
  • Band v-upResistance band
  • Cable reverse crunchCable
  • Cable tuck reverse crunchCable
Logged today · 1 min restLying elbow 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
  • Alternate heel touchersBodyweight
  • Arm slingers hanging bent knee legsBodyweight