The kettlebell swing is one of the most effective full-body exercises you can do, and when you move from two hands to one, the challenge multiplies. The one-hand kettlebell swing (or single-arm swing) adds a new layer of instability and asymmetry that forces your entire body—especially your core—to work harder. It’s not just about strength; it’s about control, coordination, and power generation from the hips. If you want to take your kettlebell training to the next level, mastering the one-hand swing is the bridge between basic technique and advanced athletic movement. Why the One-Hand Swing Matters The one-hand swing isn’t just a harder version of the two-hand swing—it’s a fundamentally different movement pattern. When you hold the bell with one hand, your body has to resist rotation, lateral shift, and uneven loading. This means your core, lats, and glutes have to fire in perfect harmony to keep you stable. You’ll notice that your grip, shoulder, and even your opposite-side oblique...