Do post-workout testosterone and growth-hormone spikes drive hypertrophy? See what controlled human studies show and what to ...

Researchers have uncovered a key biological mechanism that explains why regular exercise helps aging muscles stay stronger.

Many dedicated gym-goers find themselves frustrated after months of consistent heavy lifting with minimal muscle growth to show for their efforts. The answer often lies beyond the weight room, in ...

Medically reviewed by Amy Kwan, PT Key Takeaways Eccentric exercise focuses on the lengthening phase of muscle movement, such ...

Experts break down the science behind muscle growth.

There's no doubt that exercise does a body good. Regular activity not only strengthens muscles but can bolster our bones, blood vessels, and immune system. Now, MIT engineers have found that exercise ...

Working out your muscles may help heal your nerves after injury, by encouraging those neurons to grow faster. In a new study of mouse cells, scientists found that both the biochemical and mechanical ...

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 ...

Regular exercise may do more than strengthen muscles — it could also help the body fight cancer. A new study from Duke-NUS Medical School in Singapore found that exercise restored natural ...

Here's why CrossFit's signature rep scheme has survived for decades ...

For years people have dreamed of a silver bullet making it easy to exercise, a quick way to gain muscle, lose fat and get fit ...