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How to do a hollow body flutter kicks

CoreBodyweightBeginner

Flutter kicks held in a hollow position — shoulders and legs off the floor while your feet flutter. A real lower-core test.

How to do it

  1. 1Lift your shoulders and legs into a hollow shape
  2. 2Press your lower back into the floor
  3. 3Flutter your legs in small movements

Common mistakes

  • ×Lower back arching up
  • ×Legs kicking too high and losing tension

Muscles worked

Core

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