Exercise library · Abs · Video

Hollow rock: how to do it

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Rounded body, arms and legs up

  1. Starting position

    Lie on your back with your arms overhead, straight legs raised, and lower back pressed into the floor.

  2. The movement

    Rock from your shoulders to your hips and back without changing your rounded body shape.

Most common mistake

Don't arch your back, keep your body rounded and your abs braced, and bring your arms or legs closer if needed.

Full guideHollow rockMuscles, equipment and what to swap it for →

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