In simple terms, the 30-20-10 workout involves 30 seconds of low-intensity activity, 20 seconds of moderate-intensity ...

Parker Valby was on the Arc Trainer at one of the University of Florida’s student gyms recently, when a young woman spotted her. “Are you Parker Valby? I love your videos,” she said, referring to ...

While we all wish we could just *go* skiing and have all the muscles to do it, the unfortunate reality is that cross-training will not only make you a better skier but also allow you to ski for longer ...

Distance runner Parker Valby has gotten plenty of buzz for her fast times. And she’s also built up a reputation for her unconventional training. The 21-year-old, who will race at the Olympic trials ...