Sydney Miller is the founder of HOUSEWORK, a virtual platform for live fitness classes. HOUSEWORK is all about connecting movement to music through challenging choreography, so finding the right music ...

A 2006 study at York St. John University in the U.K. found that students could hold a 2.4-pound weight straight out in front of their bodies at shoulder height for up to 10 percent longer when they ...

With a good workout app, you can keep track of your progress and even get a good routine going at home or in the gym. This takes the guesswork out of the exercises you should be doing so they're ...