While the past few years have seen the rise (and rise) of low-intensity workouts, like Pilates and yoga, grow in popularity, there’s still a very valid case for adding in some high-intensity interval ...

Presented by Athleta, this HIIT workout is basically a guaranteed confidence boost. Celebrity trainer Amanda Butler leads you through two different rounds of full-body interval training, helping you ...

I’m usually a firm believer that if something’s worth doing once, it’s worth doing three times — at least where exercise is concerned. However, if I’m heading into a full-body workout or HIIT class ...

Ever get the feeling that your current workouts are plateauing after a year of doing them on repeat? If you want to switch it up and squeeze all the benefits of a longer sweat sesh into less time, ...

While the majority of people know exercise is important for their health, they are constantly battling against the clock. Many people say they don't have enough time to exercise or can’t get to the ...

Get ready to sweat with trainer Jayen Wells, who will be leading this 30-minute HIIT workout joined by Poofy Moffitino and Jai Jordan. In this routine, you'll start with a quick warmup and then ...

HIIT workouts are meant to be fast and furious. They rely on explosive exercises like burpees, high knees, kettlebell swings, sprints, and other moves that spike your heart rate and make you sweat — ...

When I'm planning my fitness routine, my goal is not to spend as much time as possible sweating. It's exactly the opposite. I want to be ultra-efficient in the gym or my living room and get on with my ...