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Technique

  1. Lie down on the ground, facing up.
  2. Contract your Abs and lift your legs and upper back off the ground; at this point, only your lower back and upper buttocks should be in contact with the ground (your arms can also lightly rest on the ground).
  3. Move each leg to the inside, choosing one leg to move on top of the other one.
  4. Open them back and repeat while switching which leg goes moves on top.

Form tips

  • There should be no space between your lower back and the ground.
  • Do not crane your neck forward: keep your neck neutral and look to the ceiling.
Logging: Each repetition involves working both sides.

Muscles

Strength

Primary

  • Abs
  • Obliques

Secondary

  • Pelvis
  • Rectus abdominis
  • External oblique
  • Internal oblique

Equipment

Appears in

Joint movements
Trunkflexion
trains stretches

Regressions

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Seated scissors

Beginner
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Lying flutter kicks

Beginner
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Dead bug march

Beginner
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Lying alternating leg raise

Beginner
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Russian twist

Beginner
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Hollow body crunch

Novice
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.