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 ...

Focus on the fundamentals with this simple, super-effective rule. One of the biggest misconceptions about weight training is that it’s complicated. Though that’s largely due to the surge in fad ...

To boost your running performance, you consider strength training, but now you’ve got two major questions: Is that effort really necessary? And should I do high reps at a lower weight or low reps at a ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. April 10, 2026 Add as ...

Hypertrophy and strength training are both types of resistance training. Focusing on one area doesn’t mean you won’t see gains in the other, but varying your workouts can optimize your results.