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 ...

For fitness-minded folks, muscle testing can sound pretty intriguing. But it turns out that it has little to do with fitness...or even muscles. On a basic level, muscle testing looks at a muscle and ...

Muscular endurance tests can help you gauge the effectiveness of your workout and provide clues about your overall physical fitness. When it comes to measuring progress in the weight room, muscular ...

What good is muscle if it's not usable? All those lunges and leg presses, with isolated quad and hamstring conditioning, need to be good for something. Right? Wouldn't it be nice if there were some ...

Your muscles move when nerve signals from the brain tell them to get to work. Electromyography (EMG), a diagnostic test, measures how well your muscles respond to those signals. Movement is a complex ...

Improving performance and reducing the risk of injury during exercise is not just a matter of building your strength or endurance. Efficient movement also plays a role, and that comes only with ...