From sprints to incline walking, the data shows which workouts burned the most fat – and it's good news for runners ...

It bears out past research. Studies in the past have found that high-intensity interval training can boost testosterone levels in men. New research published in the Endocrine journal broke down just ...

For some people trying to lose weight, they might find that they've plateaued and wonder if there is anything they can add to their workout routine to jumpstart their metabolism. Enjoying a ...

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 ...

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 — ...

From early-morning gym sessions in New York to beach workouts in California, these are the core exercises that define the American fitness lifestyle.