However, it's entirely possible to lose fat while building muscle, leaving you stronger than when you began working out.

Sarah Wasilak tests the best workout clothes and gear in PS’s Fit Check series. See top picks for comfort, performance, and ...

Tempo training involves setting a target speed for each part of a rep. Each rep is broken into four parts, which are: ...

Tang broke down her pull-up guide into three training phases to help make the move more digestible and achievable. Each phase ...

Don’t try to hit your pace in the first minute, or even the first mile. “It’s okay to be a little bit off on the slow end,” ...

At 40, I’ve gained seven or eight pounds of muscle in the past two and a half years by maintaining these habits and doing ...

Kirsten Ferguson taught me "runner’s math," surviving side cramps and running form hacks. Plus, she shares a 20-minute speed ...