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. A new study shows that ...

The 3-by-5 training method builds strength with low reps and heavy weights. Whether it's right for you depends on your goals ...

Understand the science of lifting versus lowering to optimize your training and break through your next plateau.

New insights from fitness experts reveal that the number of reps you do may be less rigid—and more strategic—than you think.

New research suggests the number of reps you do may matter far less than most people think.

For strength, you don’t need to be quite as close to failure. “In fact, staying a bit further from failure often allows you ...