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Training guides, drills and the research behind water-weight training.

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If you buy one tool for a full-body workout, buy this, and here is why

Most home gyms answer what is the one tool to buy with it depends. Here is a straight answer for training your whole body in a small space.

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A DIY slosh pipe is cheap and awkward. A water bag is sealed, adjustable and packable. The honest trade-offs before y...

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Ten water bag exercises for your whole body, with sets, reps and coaching cues, from carries and cleans to presses th...

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Fill level sets both the weight and how much the water moves. How much to add for each HydroFit tool, how to change t...

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Water bag, aqua bag, Bulgarian bag, slosh pipe, kettle: the names overlap and the shapes do not. What each tool is, w...

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A kettlebell is precise and predictable. A water bag never sits still. When each one is the better buy for strength, ...

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Both shift and fight back, but not the same way. How a water bag and a sandbag differ in feel, load, mess and carryov...

science

The studies that praise instability training and the ones that warn against it are describing two different things. G...

science

Four EMG studies and a balance trial, in plain English: what a shifting water load actually does for your core, balan...

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Water shifts as you lift, so every rep trains balance and control, not just muscle. Here is how water bag training wo...

Drills, setup guides and the research behind them — a couple of emails a month.