All exercises
Double Kettlebell Windmill
Core

Double Kettlebell Windmill

AbdominalsKettlebells
intermediate · strength

Also works: Glutes · Hamstrings · Shoulders · Triceps

A windmill holding two kettlebells: one locked overhead, one in the bottom hand that travels to the floor and back. The bottom bell adds load to the hinge while the top arm has to stay vertical through the whole descent, which turns a mobility drill into a genuine test of shoulder stability under rotation.

How to

Own the movement

Set up first, then execute. Every cue below is something you can check on your next set.

Before the first rep

  • Set one kettlebell on the floor just inside your front foot before you press anything overhead.
  • Clean and press the other bell overhead, then lock the elbow hard and turn the knuckles slightly back.
  • Turn both feet 45 degrees away from the overhead arm — the hips need somewhere to go.
  • Take a wider-than-shoulder stance and shift your weight onto the leg on the loaded-arm side.
  • Start much lighter than your press: 8-12 kg overhead is a serious windmill for most people.

Every rep

01
Push your hip out sideways, toward the overhead bell, before you bend anything.
02
Keep your eyes on the top bell for the whole rep. Where the eyes go, the shoulder follows.
03
Let the bottom hand slide down the inside of your front leg as the torso rotates open.
04
Descend only as far as you can go with a straight top arm and a long spine — the floor is a target, not a requirement.
05
Grip the bottom bell, pause a second, then drive the hip back under you to stand.
06
Keep the top elbow locked the entire time. If it bends, the rep is over.

Breathing & tempo — Inhale and brace at the top, exhale slowly through the descent, breathe once at the bottom before you stand. Three seconds down, one-second pause, three seconds up.

Before you load it

  • Do not attempt this with a shoulder that cannot hold a stable overhead lockout in a static hold. Rotation under an unstable bell is how shoulders get hurt.
  • If the top bell starts drifting behind your head, bail by letting it fall backwards and stepping away rather than trying to save it.
Programming

Sets, reps & load

Where to start, and what to change when it stops being hard.

Strength
3-4 sets of 3-5 per side
Hypertrophy
3 sets of 6-8 per side with a moderate bottom bell

Two very different loads. Overhead: about half what you can strict press, often 8-12 kg to start. Bottom: whatever you can pick up without rounding, typically 12-20 kg. Progress the bottom bell in one size step at a time and leave the overhead bell alone until you can hold a locked elbow through a full-depth rep on both sides.

Fix your form

What goes wrong

The errors that show up most often, and the cue that fixes each one.

Squatting down to the bottom bell instead of hinging sideways.

Push the hip of the loaded side out first and keep the front leg near-straight. If your knees travel forward, reset and start the rep with the hip.

Letting the overhead arm drift forward or the elbow soften.

Lock the elbow and actively push the bell toward the ceiling throughout. Drop to a lighter top bell until you can hold that lockout for the full descent.

Rounding the upper back to reach further down.

Stop at the depth where your spine stays long, and place the bottom bell on a block or plate to shorten the reach until your hips open up.

Rushing the rep like a conditioning movement.

Take three seconds down and three up, with a pause at the bottom. Speed here buys nothing and puts a loaded shoulder in a rotated position it cannot control.

Loading the top bell as heavy as your strict press.

Use roughly half your strict press weight overhead and add to the bottom bell first — that is where extra load is safe and useful.

The case for it

Why bother

The overhead bell never moves relative to the ground, but your torso rotates and side-bends underneath it. Your shoulder has to keep the bell stacked over the joint through 90 degrees of thoracic rotation, and the obliques on the down side have to control how fast you fold. Very few movements load rotation and overhead stability in the same rep.

The second bell is what separates this from the single-bell version. It gives the hinge something to lift on the way up, so the hamstrings and glutes get real work rather than just bodyweight, and it keeps your bottom shoulder honest — you cannot dump into a lazy reach when there is 16 kg in that hand.

Where it fits

Early in a session as skill work, or as the top of a kettlebell warm-up sequence. Three to five reps a side is plenty; this is a positional lift, not a volume lift. Do not pair it in the same session with heavy overhead pressing — the shoulder is already spending its stability budget here.

Questions

Asked and answered

How is this different from the single kettlebell windmill?

The single version has an empty bottom hand, so the descent is bodyweight only and you can reach as far as you like. Adding a bell in the bottom hand loads the hinge, forces you to grip and control something at full depth, and makes standing up an actual lift rather than a return to standing. Run the single-bell version until it is clean on both sides before you pick up a second bell.

Should I look at the top kettlebell the whole time?

Yes. Keeping your eyes on it keeps your thoracic spine rotating open and your shoulder stacked. The moment you look at the floor your chest closes down and the bell drifts forward, which is exactly the position you do not want under load.

Is this an ab exercise or a mobility drill?

Both, and that is the honest answer. It trains the obliques and the deep trunk under rotation while also demanding hip and thoracic range. If you only want abs, a loaded carry or a rollout gets there with less skill overhead.

Do I have to touch the floor?

No. Depth is limited by hamstring length and thoracic rotation, not by willpower. Stop where your top arm stays vertical and your spine stays long, and raise the bottom bell on a plate if you need to. Range comes back over weeks.

Enough theory.
Go log a set.