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Plank Jacks

Adding a new variation to basic plank is a great way to challenge your body's strength even further, and the plank jack is no exception. See how fast you can let yourself go while still keeping good form — your heart will thank you for it!

  • Begin in plank position, with your shoulders over your wrists, your body in one straight line, and your feet together.
  • Like the motion of a jumping jack, jump your legs wide and then back together. Jump as quickly as you want, but keep your pelvis steady and don't let your butt rise toward the ceiling.

Image Source: POPSUGAR Studios