It's a debate that science has yet to find a definitive answer to—but here's what to do if you get one. We sometimes get hard, painful, or tender lumps in our muscles. This is pretty common, and we ...

Decision-making is complicated, even when, and sometimes even more so, it’s a seemingly simple choice. Fortunately, you can use a quick and easy muscle testing method with your fingers when you can't ...

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 ...

Share on Pinterest A new study looked at if protein shakes helped people recover after a workout. Getty Images A new study finds evidence that protein shakes may not help your muscles recover much ...

Why some of us have sculpted, toned and visible muscles and some of us carry a little more flab depends on a lot of factors. Part of it is how and how much you work out, explains Todd Schroeder, ...

Tight and rigid muscles are often the result of injury. Sometimes, muscle tightness and rigidity can occur with other symptoms, such as muscle pain and spasms, or reduced mobility. Mild muscle ...

Muscle knots are highly irritated muscle fibers that have tightened into a ball in one area of your muscle. These painful, tender spots can feel sore and often occur in your upper back, shoulders, or ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. As humans age, daily work, smartphones, and even pillows can seem to ...

If you've been told that if you're not sore, you didn't get a good workout, you've been misled. Here's why this is bad advice. Giselle Castro-Sloboda Fitness and Nutrition Writer I'm a Fitness & ...

So you want to gain muscle? We love that for you. There's no better feeling than strength. But when you're actively trying to put on muscle, it can be confusing to see the numbers on the scale ...

But if you haven't worked out recently, muscles that hurt for seemingly no reason could be an indicator of an illness or other health condition, especially if the pain or soreness doesn't go away. If ...

Human ear muscles that scientists long believed were vestigial are actually activated when we are trying to listen hard, a new study has found. Although the auricular muscles changed the shape of the ...