Kettlebell Swing
The kettlebell swing is a dynamic, ballistic exercise that builds explosive power and strengthens the posterior chain. It primarily targets the glutes and hamstrings through a rhythmic hip-hinging motion while conditioning the cardiovascular system.
Since the kettlebell swing is a high-fatigue ballistic movement, Iridium checks your sleep data and metabolic recovery score to ensure you have the energy capacity for explosive work. The system counts this tonnage toward your glute and hamstring maintenance volume while reviewing your 7-day workout history to prevent interference with heavy compound pulls like deadlifts.
Form Cues
- Hinge at the hips by pushing your glutes back
- Snap your hips forward explosively to move the bell
- Keep your chest up and lats engaged throughout
- Exhale sharply as the kettlebell reaches the top
- Squeeze your glutes tight at the top of the movement
- Don't squat the weight down; keep knees soft but not bent deeply
- Don't use your shoulders or arms to lift the bell
- Don't hyperextend or lean back at the top of the swing
- Don't let the kettlebell drop below your knees on the backswing
Common Mistakes
- Turning the hinge into a squat
- Lifting with the front deltoids
- Rounding the lower back
- Hyperextending the lumbar spine at lockout
- Disengaging the core at the top
Muscles Worked
This exercise is the gold standard for posterior chain development, placing heavy demand on the glutes and hamstrings to generate force. It also relies on the erector spinae and core for stability, while the lats and forearms work isometrically to control the kettlebell's path.
Primary
Secondary
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