Participants walked at a 12% incline, at three miles per hour, for 30 minutes, without holding onto the handrail. They then completed a run a few days later, which was self-paced — they simply had to ...

You can do it all if you buy used fitness equipment. Here's how to avoid getting scammed and get the best deals.

I got my VO2max tested in an exercise lab, and compared that number to the VO2max or cardio fitness scores from Apple, Coros, ...