Plus, common mistakes to avoid.

Building muscle has serious perks.

Follow these four trainer tips to optimize the process.

Some workouts leave you buzzing, muscles pumping, and energy on high. Others leave you wondering if you made any progress at all. The difference often comes down to more than just the weight on the ...

However, the study’s findings suggest that further— probably longer—research is needed to determine whether taking more than five grams of creatine a day has a more significant effect on muscle growth ...

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 ...

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 ...

Repeated exercise, or wasting, can change the way key genes work.

Exercises for men over 60 to build muscle daily, guided by a certified trainer, to restore strength without heavy lifting.

12-minute bodyweight workout after 55, with exclusive quotes from certified trainer Michael Betts. Get the 6-move plan.

We all want to know if and how we can come back to form after injury, illness, or a long hiatus. Muscles adapt in response to the environment: They grow when we put in the work and shrink when we stop ...