Hollow
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Hollow rocks

The hollow position in motion: you rock on the lower back like a boat without changing the body shape. A test of whether the tension holds under load.

Level
Basic
Equipment
No equipment
Measure
reps
Tempo
1-0-1-0 (down, pause, up, pause)
corehip flexors

Technique

  1. Get into the hollow: lower back into the floor, arms and legs raised.
  2. Rock from shoulders to feet with a small motion, the body shape does not change.
  3. Short breaths, abs braced the whole time.

Common mistakes

  • Bending and extending the hips while rocking.
  • Lower back lifting off the floor.
3D model of a push-up with working muscles highlighted 3D model of a push-up with working muscles highlighted

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Progression

This exercise

Hollow rocks

No equipment reps

Same muscles