Step Jacks
Low-impact bodyweight cardio exercise that alternates stepping feet side to side while raising arms overhead, targeting legs, shoulders, and core for improved endurance and coordination.
About Exercise
Equipment
Difficulty
1/5 • Beginner
Primary Muscle Groups
Abductors
Secondary Muscles
Traps, Lats
Popularity Score
7
Goals
Training Style
Setup Requirements
Requires Rack
No
Requires Bench
No
Requires Spotter
No
Space Needed
Small
Noise Level
Low
Muscle Breakdown
View Muscle MapAbductors
8/10Glute Medius
Adductors
7/10Adductor Magnus
Shoulders
7/10Medial Delts
Quads
6/10Rectus Femoris
Calves
6/10Gastrocnemius
Abs
6/10Rectus Abdominis
Traps
5/10Lats
4/10Programming
Typical Rep Range
20-60 reps
Rest Between Sets
30-60 seconds • Adjust based on intensity
How to Perform
Stand tall with feet together and arms at your sides on a flat surface, core engaged and shoulders relaxed.
- Step your right foot out to the side beyond shoulder width.
- Simultaneously raise both arms out to the sides and overhead.
- Bring your right foot back to meet the left, lowering arms to sides.
- Step your left foot out to the side beyond shoulder width.
- Raise both arms out to the sides and overhead again.
- Return left foot to center, lowering arms.
- Continue alternating sides in a steady rhythm.
Coaching Tips
Form Cues
- Keep core tight.
- Maintain upright posture.
- Step controlled, no bounce.
- Arms straight overhead.
- Eyes forward.
- Land softly.
Breathing
Breathe steadily and rhythmically, inhaling as you step out and exhaling as you return to center; brace core lightly.
Tempo
1-0-1
Range of Motion
Step foot out to at least shoulder width, arms fully overhead with elbows straight; return fully to center without momentum.
Safety
Safety Notes
- Avoid if acute ankle or knee pain.
- Use supportive shoes on even surface.
- Stop if dizziness occurs.
- Maintain neutral spine to protect back.
- Wider steps for stability if balance challenged.
- Consult doctor for joint issues.
Spotting
No spotting required; self-supported bodyweight movement.
Common Mistakes
- Arching lower back on arm raise.
- Leaning side to side.
- Rushing steps unevenly.
- Narrow steps reducing engagement.
- Shrugging shoulders.
- Poor foot alignment.
When to Avoid
- Acute knee or ankle injuries
- Severe balance issues
- Recent lower back strain
Flexibility Needed
- Basic hip abduction range
- Shoulder flexion to overhead
- Ankle stability for stepping
Build Up First
- Familiarity with marching in place
- Good standing posture
Also known as
Side Step Jacks, Step-Out Jacks, Modified Jumping Jacks
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