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This 30-Minute HIIT Cardio Workout Can Be Done Anywhere and Requires Zero Equipment
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Circuit, Exercise 3: Straight-Arm Jumping Jack

  • Begin standing with your feet together, your core pulled in, and your hands at chest level.
  • Jump your feet out to either side while driving your hands straight overhead. Land lightly on the balls of your feet, wider than hip-width apart.
  • Jump your feet back to the starting position, lowering your hands to your chest simultaneously.
  • This counts as one rep. Do as many reps as you can with proper form in 30 seconds.
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