After 45, hormone shifts, lower muscle mass, and joint wear can make long, steady cardio less efficient for trimming the belly overhang many people notice. Short, well-structured bodyweight intervals ...

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, ...

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 ...

The Washington Post tech reporter Tatum Hunter worked out using Oculus fitness apps to find which could match against real-world cardio exercise.