Those stiff, painful spots can take up to two weeks to go away on their own. Sophie Walster/iStock via Getty Images Plus Imagine you’ve just completed a tough upper-body workout. Your muscles feel a ...

There's a lot of talk about lean muscle compared to bulk muscle, but experts say it's not worth differentiating the two.

These tender bumps in your neck or back can be a pain, but a few research-backed strategies can help to relieve discomfort. By Danielle Friedman If you’ve ever had a shoulder massage or used a foam ...

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

Repeatedly doing the same type of activity — whether it’s running, lifting or sitting — can have serious downsides. By Hilary Achauer When you head out for your daily run, with each stride you’re ...

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 ...

Scientists at Duke-NUS Medical School have uncovered how exercise helps aging muscles regain their ability to repair ...