Technique
- Lie on the ground, facing up, with your hands behind your head.
- Use a Hollow body position: engage your Abs and lift your upper back and legs off the ground. Only your lower back should be in contact with the ground at this point. This is the starting position.
- Bring one leg in and crunch forward to touch that knee with the opposite elbow.
- Return to the starting position ( Hollow body) and repeat on the other side.
Form tips
- During the duration of the exercise, only your lower back should be in contact with the ground.
Logging: Each repetition involves working both sides.
Muscles
Strength
Primary
- Abs
- Obliques
- Pelvis
- Quadriceps
- Spine
Secondary
- Hip adductors
- Neck
Individual muscles
Individual muscles
- Rectus abdominis
- External oblique
- Internal oblique
- Iliacus
- Rectus femoris
- Psoas major
- Quadratus lumborum
- Spinalis thoracis
- Longissimus thoracis
- Iliocostalis
Equipment
Appears in
Joint movements
Regressions
Tuck reverse crunch
Beginner
Variations
Stability ball bicycles
Novice
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Want to log this exercise? Open it in Calistree. Text and images are used under CC BY-NC-ND 4.0; the video plays from the original source.