How are those muscles doing today? We all know that as the years go by, our bodies go through changes. Some are super obvious, others... not so much. And there's one change in particular that often ...

Your body converts a form of sugar called glucose into energy. This process requires a number of different steps. One important component in the process is an enzyme known as aldolase. Aldolase can be ...

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 ...

Fast-twitch fibers help with explosive movements like sprinting and weight lifting. Genetics and training influence the distribution of fast-twitch and slow-twitch muscle fibers. Doing strength ...