Exercise guide
Step Squat Jack
- Intermediate
- Compound
- Timed hold
- Chest
- Lower legs
- Shoulders
- Upper legs
The Step Squat Jack is a low-impact, dynamic compound exercise that combines a lateral step-up with a squat and overhead arm reach to build lower body power and cardiovascular endurance. It effectively targets the glutes and quads while engaging the deltoids, pectorals, and core through rhythmic, full-body movement.
Reviewed by the Crucible team · Updated June 2026
Muscles worked
Setup
- Stand upright with a step platform directly in front of you or slightly to one side.
- Position your feet hip-width apart with your toes pointing forward and core engaged.
- Keep your arms relaxed at your sides with your chest lifted.
How to do it
- Step your right foot firmly onto the center of the step and immediately lower your hips into a squat, keeping your left foot on the floor.
- Simultaneously swing both arms out and overhead in a wide arc (jumping jack motion) as you descend into the squat.
- Exhale and push through the right foot to return to the starting position, bringing your arms back to your sides.
- Repeat the movement by stepping the left foot onto the step, alternating sides at a steady, rhythmic tempo.
Form checklist
- Keep your chest up and avoid rounding your lower back during the squat.
- Ensure the knee of the stepping leg tracks directly over your toes, not caving inward.
- Maintain a tight core throughout the movement to stabilize your spine.
- Land your foot softly on the step to minimize impact on the joints.
Pro tips
- Focus on a sharp, controlled 'snap' of the arms at the top of the movement to maximize deltoid and pectoral engagement.
- Keep your weight distributed through the heel and mid-foot of the leg on the step to increase glute activation.
Make it harder
- Increase the height of the step platform to deepen the squat and increase the vertical challenge.
- Hold light dumbbells or wear wrist weights to add resistance to the arm jack and increase the metabolic demand.
Frequently asked
- What muscles does the step squat jack work?
- The step squat jack primarily targets the glutes and quadriceps, and also works the abs, deltoids, and pectorals as secondary muscles.
- What equipment do you need for the step squat jack?
- The step squat jack uses step and body weight.
- Is the step squat jack good for beginners?
- The step squat jack is rated intermediate. Build a base with simpler variations first, then progress to it with light load and strict form.
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