Jumping Jack

A rhythmic, full-body jumping movement that raises heart rate and primarily uses the legs while activating the shoulders.

How to do the Jumping Jack#

  1. Stand with your feet together, arms at your sides, and knees slightly bent.
  2. Jump your feet outward to just beyond shoulder width while lifting your arms out and overhead.
  3. Land softly on the balls of your feet with your knees bent and your arms overhead.
  4. Immediately jump again, bringing your feet back together and lowering your arms to your sides.
  5. Continue this coordinated jump-and-arm motion for the chosen duration.

Muscles worked#

  • Primary: Calves (Gastrocnemius & Soleus), Quads (Quadriceps Femoris), Side delts (Lateral Deltoid)
  • Secondary: Glutes (Gluteus Maximus), Abductors (Gluteus Medius & Minimus (Hip Abductors)), Adductors (Adductor Magnus, Longus & Brevis (Hip Adductors)), Abs (Rectus Abdominis)

Common mistakes#

Track the Jumping Jack in Gript: your previous sets in view while you train, records detected automatically, and an estimated 1RM chart from every hard set.

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Frequently asked questions#

What muscles does the Jumping Jack work?

The Jumping Jack primarily works the calves, quads, side delts. The glutes, abductors, adductors, abs assist as secondary muscles — they stabilise the movement and take over when the main target fatigues. If you feel it mostly in the glutes, abductors, adductors, abs, lighten the load and slow the lowering phase.

What equipment do I need for the Jumping Jack?

None. The Jumping Jack is a bodyweight exercise, so all you need is enough space to move through the full range of motion.

Is the Jumping Jack suitable for beginners?

Yes. The Jumping Jack is rated beginner: the technique is quick to pick up and forgiving when a rep goes slightly off. Start light and add weight once the form repeats itself without you thinking about it.

What are good alternatives to the Jumping Jack?

Aerobics, Machine Calf Extension, Calf Press all train the same primary muscles as the Jumping Jack. Pick whichever one matches the equipment in front of you.