Protein is the main component of all your body’s tissues, including your muscle tissue. Lifting weights causes damage to your muscles that breaks down the proteins; to combat this, your body makes new ...

When you’ve pushed through an intense workout, you might have sore muscles to go along with that surge of accomplishment. Maybe it’s those quads and hammies after leg day or triceps and biceps after ...

I’ve always been bookish. I spend most of my time in the lab rather than running, jumping or climbing. But I still have super strong muscles. They’re way bigger than when I was a young. I asked my ...