On any given morning, as the sun peeks over the horizon, Danielle Johnson can be found crawling down the hallways of her Rochester, Minnesota, home. It may sound bizarre, but Johnson crawls every day ...

Exercise for kids should be fun. Instead of working out, think of exercising with your kid as "exercise play." That's the term used by Ewunike Akpan, a personal trainer certified by the American ...

When Charlie was about 15 months, he refused to crawl or even try to walk. He got wherever he wanted to go via the “army” crawl, moving along the floor on his stomach by pulling with his arms and legs ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. In the new exercise ...