A comprehensive guide to max out your gains and fill out your shirtsleeves, according to exercise experts.

If you're curious about starting a resistance training routine and not sure where to begin, start with these ...

Life too busy for hours-long gym seshes? This one is for you.

Add Yahoo as a preferred source to see more of our stories on Google. We all know that muscle loss is a natural part of aging. The problem is, it often starts much earlier than we realize. The signs ...

Friends don't let friends skip legs ...

Building muscle seems to be on everyone’s mind lately, as it should be. Packing on lean mass has benefits for your metabolism, blood sugar, daily functioning, and longevity, just to name some of the ...

Studies on the neurons of mice suggest our own human endurance may have more to do with the brain than our physique.

If you don’t use it, you lose it. That’s common wisdom, backed up by science, about what happens to aging muscles. And if your goal is to lose weight – whether you have obesity or a few pounds to drop ...

Ever noticed that your muscles feel more sore when it's cold? There's a reason for that. Experts explain why and how to fix it.