Exercise guide
Swimming Side Steps
- Intermediate
- Compound
- Timed hold
- Lower legs
This dynamic variation combines a lateral lunge with a swimming arm motion to build lower body strength while improving shoulder mobility and core stability. It effectively targets the glutes and quads while the sweeping arm movement engages the deltoids and obliques.
Reviewed by the Crucible team · Updated June 2026
Muscles worked
Setup
- Stand tall with your feet hip-width apart and arms relaxed at your sides.
- Engage your core and maintain a neutral spine with your chest lifted.
- Ensure you have ample clear space to step out wide to both sides.
How to do it
- Inhale and take a wide step to the right, hinging at the hips and bending the right knee while keeping the left leg straight.
- Simultaneously sweep your arms forward and out in a large circular 'breaststroke' motion as you descend into the lunge.
- Exhale and drive forcefully through the right heel to return to the starting position, bringing your arms back to your sides.
- Repeat the movement on the left side and continue alternating sides with a fluid, controlled tempo.
Form checklist
- Keep the toes of both feet pointing forward throughout the movement.
- Ensure the knee of the bending leg stays aligned with the middle of the foot and does not cave inward.
- Maintain a flat back and avoid letting your chest collapse toward the floor during the arm sweep.
- Keep the trailing leg completely straight to maximize the stretch and stability.
Pro tips
- Exaggerate the arm reach to increase the demand on your obliques and improve scapular rhythm.
- Focus on 'sitting back' into the hip of the lunging leg rather than pushing the knee forward to maximize glute recruitment.
Make it harder
- Increase the tempo to a rhythmic, athletic pace to elevate the heart rate and challenge coordination.
- Hold small weights or water bottles in each hand to add resistance to the shoulder sweep.
Frequently asked
- What muscles does the swimming side steps work?
- The swimming side steps primarily targets the calves, glutes, hamstrings, and quadriceps, and also works the serratus anterior as secondary muscles.
- What equipment do you need for the swimming side steps?
- The swimming side steps requires no equipment — just your body weight.
- Is the swimming side steps good for beginners?
- The swimming side steps is rated intermediate. Build a base with simpler variations first, then progress to it with light load and strict form.
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