Building muscle isn’t as simple as just lifting heavy things and hoping for the best. Gaining muscle is not so much about what you do, but rather how you do it. The same exercise could be used to ...

Here’s why some muscle groups respond faster (or slower) to strength training—and what you can do about it.

Once you've found a strength-training routine that works for you and you've committed to doing it two to three times a week, you'll be eager to see results — so when do the noticeably chiseled arms ...

You’ve been hitting the gym consistently, following your workout plan to the letter, and pushing yourself through every rep. In the beginning, the results were exciting—visible changes in the mirror, ...

The explosion of reformer Pilates videos across social media platforms has sparked intense debate about this century-old exercise method’s ability to build muscle. As fitness enthusiasts increasingly ...

What's a typical rate of muscle gain? Every body responds a little differently to strength training, so the short answer is “it depends." One review of research on how resistance training impacts ...

Building muscle is a common goal, but it comes with a lot of questions, especially about nutrition. As a dietitian, I often hear people ask, “How much protein do I need to build muscle?” The interest ...

If you’ve ever worried that a rest day might erase your progress, take a deep breath — research shows the exact opposite. Recovery is where the real gains are made for your fitness. Strength training ...

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. Not everybody has the ...