Step by step instructions, muscle activation and variants for the Jumping Jack High Knee.
The jumping jack high knee combines the lateral arm and leg motion of a jumping jack with an alternating high-knee drive, elevating the heart rate and engaging the core and hip flexors simultaneously. It is an effective full-body cardio warm-up or conditioning drill.
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The Jumping Jack High Knee is a foundational movement that builds strength and muscle through controlled, progressive overload. Train it 1 to 2 times per week with 3 to 5 working sets per session, gradually adding weight or reps as form holds up.