Low Jacks
- Músculo objetivo
- —
- Equipamiento
- Body weight
- Parte del cuerpo
- Cardio
- Tipo
- Aerobic
Low Jacks are a low-impact version of the jumping jack performed entirely in a squat, stepping the feet in and out instead of jumping. Holding the squat keeps constant tension on the quads, glutes, and hamstrings while the arm swing drives the shoulders and upper back and the core braces the torso. They fit joint-friendly cardio, warm-ups, and high-rep circuits where impact needs to stay low.
Cómo hacer el Low Jacks
- 1Stand with your feet together and your arms relaxed at your sides.
- 2Push your hips back and bend your knees into a squat with your chest up and your back flat.
- 3Step your right foot out to the side as you sweep both arms out and up overhead.
- 4Step your left foot out to match it, landing about shoulder-width apart with your arms fully extended overhead.
- 5Step your right foot back to center as you sweep your arms down to your sides.
- 6Step your left foot in to meet it, returning to the narrow squat stance.
- 7Repeat at a steady pace, alternating which foot leads so both legs share the work.
- 8Finish your target reps or time interval, then stand tall and shake out your legs.
Consejos de técnica
- Keep your weight through the midfoot and heels so the squat stays loaded and you do not drift onto your toes as you step.
- Brace your core to hold a neutral spine and stop your torso tipping forward as fatigue builds.
- Drive your arms all the way overhead with intent — the full swing raises your heart rate and adds a shoulder-mobility component.
- Stay light on your feet and step quietly to reinforce control and reduce stress on the ankles.
- Breathe in a steady rhythm rather than holding your breath, and pick a pace you can hold for the whole interval.
Errores comunes
- Standing up between steps: rising out of the squat removes the constant leg tension that makes Low Jacks work, turning them into a slow side-step — stay low for the whole set.
- Letting the knees cave inward: knee valgus loads the knee ligaments unevenly; actively push your knees out in line with your toes on every step.
- Rounding the lower back: a collapsed spine shifts load off the legs and onto the lumbar spine, inviting low-back strain — keep your chest up and your core braced.
- Bending only slightly at the knees: a shallow squat cuts both the cardio cost and the leg work; aim for thighs approaching parallel and hold that height.
- Stepping too wide: overreaching drags your hips upward and forces an extra shuffle to recover, breaking the rhythm — shoulder-width is enough.
Preguntas frecuentes
What muscles do Low Jacks work?
Low Jacks are primarily a cardiovascular drill. Muscularly, the sustained squat position keeps the quadriceps, glutes, and hamstrings under tension, while the arm swing involves the shoulders and upper back. The core works throughout to stabilize the torso.
What is the difference between Low Jacks and regular jumping jacks?
Regular jumping jacks leave the ground with both feet, which makes them high-impact. Low Jacks replace the jump with a side-step taken in a squat, so you keep the raised heart rate without the landing forces — useful if your knees, hips, or ankles do not tolerate jumping.
Are Low Jacks good for beginners?
Yes. They need no equipment, no jumping, and work at any pace, so you can scale them by squat depth and speed. That makes them a solid entry point for building cardiovascular endurance and lower-body endurance at the same time.
How many Low Jacks should I do per set?
For cardio circuits, 30–60 seconds per set works well; for rep-based routines, 15–25 reps per set is a sensible default. Because they are low-impact and bodyweight-only, you can usually handle more volume and shorter rests than with high-impact alternatives.
Can Low Jacks help with weight loss?
They raise your heart rate and keep large muscle groups working, so they add to your daily calorie burn — especially in timed intervals or circuits. Like any exercise, they only drive fat loss as part of an overall calorie deficit and a consistent training plan.
