Science reveals that your lower legs act as a secondary circulatory pump, pushing blood against gravity to protect your heart ...

Experts say the secret to feeling strong in the long term is to focus less on the size of a muscle and more on what it can ...

There are a million and one workout routines out there, but which one is right for you?  Here's how to structure your weekly ...

It might be more than you think.

In her book, “On Muscle: The Stuff That Moves Us and Why it Matters," journalist and author Bonnie Tsui explores the biology and beauty of muscles. (Drawing by Bonnie Tsui) For a long time, ...