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How to do a forearm plank jacks

CoreBodyweightBeginner

A forearm plank while your feet jump in and out like a jumping jack — adds a cardio kick to your plank hold.

How to do it

  1. 1Hold a steady forearm plank
  2. 2Jump both feet out wide, then back together
  3. 3Keep your hips level throughout

Common mistakes

  • ×Hips lifting as the feet jump
  • ×Bum sagging toward the floor

Muscles worked

CoreShoulders

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