High-intensity interval training, or HIIT, is a great way to torch calories, boost your metabolism and get a great workout in a shorter amount of time. And if you're a fan of hopping on the treadmill ...

This workout consists of four-minute bursts of exercise, done at 85 to 95% of your maximum heart rate. Afterwards, you get ...

Truth is, there’s no “better” option. Both treadmill and outdoor running have their perks, and both can help you build ...

When it's cold outside, there's sometimes nothing better than a treadmill workout to reach your daily exercise quota. While we'd all rather be outside in the fresh air, it's not always possible in the ...

Picture this: It’s frigid outside, and your motivation to lace up your trainers is as low as the thermostat on this winter morning. Well, this indoor walking workout is about to warm up your body (and ...

Summer running sometimes offers up a serious challenge. As temperatures climb into the 80s, 90s, and even triple digits, your body has to work overtime just to stay cool—at the expense of your pace ...

The treadmill can be more than a stopgap on days when the weather doesn't cooperate or the baby is napping upstairs. Done right, treadmill training will help you maintain and improve your fitness ...

When I think back to my time in high school and college, the message was clear: Going to the gym was for losing weight and becoming smaller. The weight room—and building muscle—was solely for guys. I ...