But what if I told you that you don't need to visit a fancy lab or use strange equipment to get an idea of how strong your leg muscles are? That's right! The answer might just be in the most common ...

Have you heard of fast-twitch and slow-twitch muscle fibers? These are the two types of muscle that are responsible for all your gains in the gym. And depending on how you train — and even your own ...

You can zap your muscles—literally send an electric current down to nerve fibers, fire your motor neurons, and stimulate a strong muscle contraction. It’s called NMES, neuro-muscular electrical nerve ...