MOUNTAIN VIEW, Calif.--One of the country's first teenager-only gyms opens this week, and it's hoping to do for the inactive, plugged-in generation what Curves did for middle-aged women. The gym, ...

KTVU crime reporter Henry Lee got a chance to experience a virtual-reality gym in San Francisco the other day. "I don’t know what’s real anymore!" he said, waving his hands while appearing ...

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Any kid that ever watched Rocky growing up has thought about stepping into the ring at some point or another, but I never took that plunge — and since most gyms are still not operating at full ...

From sprints to incline walking, the data shows which workouts burned the most fat – and it's good news for runners ...

If you work out, you will have at some point wondered about whether you should start with weights or cardio. Whether you're already deep into your fitness journey or just getting started, you've ...

Plenty of research touts the importance of cardiorespiratory fitness (CRF)—also known as cardio fitness, cardiovascular endurance, and aerobic fitness—as a health marker, as well as an athletic ...