High-intensity interval training is one of the best ways to pack a lot of exercise into a short period of time. HIIT workouts are so efficient because they alternate short bursts of very intense ...

Named the top fitness trend for 2018, HIIT involves going hard for, say, 30 seconds, then easy, hard, then easy, and so on—as ...

Finding the best workout schedule for you can be tough. Some people choose to embrace their late-night rocker tendencies and go for dinner-time gym sessions, or others prefer to wake up with the sun ...

Ducharme is a contributor to TIME. Ducharme is a contributor to TIME. If the benefits of physical activity were distilled into a pill, everyone would be on it. Studies show that moving improves nearly ...

If you’re ready to maximize your workouts and increase weight loss and improve overall strength and performance, you’ll want to start adding supersets to your time in the gym. This switch requires a ...

I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the latest fitness gadgets, testing out activewear and sneakers, as well as debunking wellness/fitness myths. In my free time I enjoy ...

Usain Bolt smashed the 100-metre sprint record at the 2009 World Championships in Athletics in Berlin in a floodlit stadium under an inky night sky. This article is part of a series on fitness that ...