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CORE · COMPOUND

Hollow Rock

A dynamic hollow-body movement using small controlled rocking motions.

Primary musclesAbs
Secondary musclesHip flexors, Core
EquipmentBodyweight
DifficultyAdvanced · Anti-Extension
Original Gym Log exercise illustrations will be added in the next media phase.
For now, the database focuses on accurate, original written guidance.

How to perform

  1. Set a strong hollow position first.
  2. Rock gently while maintaining the same body shape.
  3. Stop if the lower back loses control.

Tips

  • Control the movement and use a range you can repeat consistently.
  • Choose a load or variation that lets you keep the abs as the intended focus.

Common mistakes

  • Using more load or speed than you can control.
  • Losing stable body position during the difficult portion.

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