Last year, WWDC25 inspired me to rewrite my strength-training app Reps & Sets in Swift so it could take advantage of Apple’s latest frameworks, like Foundation Models and Image Playground. It was a ...

Reps & Sets works on iPad, iPhone, and Apple Watch. Reps & Sets 26 is a brand-new strength training app designed exclusively for iPhone, iPad and Apple Watch. It was developed by a long-time Cult of ...

I’m a personal trainer, and this is the only kettlebell workout you need to master the 7-7-7 method.

When you lift a weight, how many times should you lift it? Supposedly, there’s a correct “rep range” to use to build strength, and a different rep range to build muscle size, or endurance, or to “tone ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? To build lasting muscle and strength, you're probably well aware you need to ...