You have no shortage of workout tools to choose from at the gym. And while, say dumbbells and weight machines may feel relatively intuitive to use much of the time, kettlebells are a bit more nuanced.

Kettlebells are "unconventional" and work differently from dumbbells, Jay and Steph Rose say. I trained with the kettlebell experts and was shocked to learn I'd been using the weights all wrong. With ...

There are some things in the gym that just feel intimidating. The hex bar—that deadlift apparatus you stand in—is a classic example. A landmine? Even the word sounds scary. And for some, kettlebells ...