Movement Practice WOD
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AMRAP 12
8 controlled reps
10 bodyweight reps
200m easy run or 60 sec cardio
Kettlebell
Kettlebell Swing — CrossFit Technique Guide
BB
By Borja Bes — CrossFit Athlete & Hyrox Finisher
The kettlebell swing is the foundational kettlebell movement in CrossFit — a hip-hinge-driven movement that sends the kettlebell from between the legs to shoulder height (American standard: overhead) or eye level (Russian standard). In CrossFit WODs, the American kettlebell swing (full overhead) is standard. Helen (21 kettlebell swings per round for 3 rounds) is the most famous benchmark featuring this movement. The swing develops powerful hip extension, posterior chain endurance, and the ability to brace under load — all key athletic qualities.
Quick answer
Kettlebell Swing is best used when the workout goal matches its main demand: kettlebell capacity, clean mechanics, and scalable intensity.
Muscles Worked
HamstringsGlutesErector spinaeCoreShoulders (stabilisation)
Equipment
Kettlebell
Best For, Avoid If, and Scaling
| Best for | Kettlebell WODs, skill practice, and athletes who can keep kettlebell swing mechanics consistent under fatigue. |
|---|---|
| Avoid if | Pain changes your movement pattern, fatigue makes reps sloppy, or the workout asks for a standard you cannot repeat safely. |
| Scaling | Lighter kettlebell, Russian swing (eye-level only), dumbbell swing. |
How to Do the Kettlebell Swing
1
Start with the kettlebell on the floor, slightly in front of you.
2
Hike the kettlebell back between the legs, maintaining a neutral spine and engaged lats.
3
Explosively extend the hips (the "hip snap"), driving the kettlebell forward.
4
Keep the arms relaxed and let the hip drive project the bell.
5
American standard: swing the bell to full overhead lockout, arms straight, bell directly above.
6
Allow the bell to swing back down, hinge at the hips (not the knees), and repeat.
Common Mistakes
✕
Squatting rather than hinging — the swing is a hip hinge, not a squat. Knees should not track forward significantly.
✕
Using the arms to lift the bell rather than the hips.
✕
Not locking out overhead (American standard) or rounding the lower back at the bottom.
✕
Allowing the bell to pull the torso forward — maintain a braced, tall chest throughout.
Coaching Tips
✓
The hip snap is a forward thrust, not an upward thrust — think "humping the wall" as a coaching cue for hip drive.
✓
Russian swings (to eye level) are used for heavier loads and are preferred by some coaches for lower back safety.
✓
For Helen, develop a consistent rhythm — 21 unbroken American swings at 53/35 lb requires a relaxed grip and steady breathing.
Scaling Options
Easier / Beginner
Lighter kettlebell, Russian swing (eye-level only), dumbbell swing.
Harder / Advanced
Heavier kettlebell, single-arm swing, alternating swing.
Related WODs
Use Kettlebell Swing in a Real Workout
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Technique + Conditioning
scaled workout
4 rounds for quality
10 technique reps
30 sec core hold
12 low-skill conditioning reps
Frequently Asked Questions
What is the difference between American and Russian kettlebell swings?
The Russian swing ends around eye level. The American swing continues to overhead lockout and is used in many CrossFit competitions. Choose the range you can control and that matches the workout standard.
What weight kettlebell does CrossFit use for swings?
53 lb (24 kg) for men, 35 lb (16 kg) for women at RX. Helen uses these loads across 21 reps per round for 3 rounds. Scaling options are typically 35/26 lb for intermediate and lighter for beginners.
Build It Into a Workout
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Next Training Tools
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