Add Yahoo as a preferred source to see more of our stories on Google. Usain Bolt, the world’s fastest person, ran a 100-meter sprint at a speed of 23.35 miles per hour (37.57 kilometers per hour).

Harvard scientists find that exercise variety is good but not too much and only certain types. Take the findings with a grain ...

Your running speed partly comes down to factors you can't control, like genetics, and partly relies on your training. When you purchase through links on our site, we may earn an affiliate commission.

Range of motion (ROM) refers to how far you can move or stretch a part of your body, such as a joint or a muscle. It’s different for each of us. For example, some people can do complete splits, but ...

Whether you’re looking to improve athletic performance, increase skill level, or boost overall fitness, applying the principle of specificity can help you get the results you need in a timely manner. ...

What should we do in order to live healthier lives for longer? Research shows there are a few lifestyle interventions that can effectively prolong our life and health span. One of these is exercise, ...