As HIIT's popularity soars, sprint interval training, or SIT, is doing its best to catch up. Can shorter, harder, faster deliver better results? As the popularity of HIIT continues to soar, sprint ...

Running in intervals may be more effective and efficient than steady runs for improving your health. | Cardiology ...

Interval running condenses the powerful effects of regular running into shorter, high-intensity bursts. Research shows it can ...

Oct. 12, 2012 -- Don’t have time to exercise? That excuse no longer works. Increasing evidence, including new research presented this week, shows that even short workouts that include surges of very ...

Most solid training plans include a weekly speed workout, often in the form of intervals. But the length of those intervals usually depends on your race distance, training goals, and fitness level.

Interval training burns fat, spares (or even builds) muscle, and takes a fraction of the time of traditional cardio. These things we know. But what you might not know is that you don’t have to feel ...

Losing weight and gaining muscle are two major feats in and of themselves, but if your goal is to achieve both at the same time, you’re likely working toward body recomposition. Strength training and ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Losing weight and gaining muscle are two major feats in and of themselves, but if your goal is to achieve ...

One and Done Workout is a comprehensive weight loss plan based on sprint interval training that requires you to do special movements for a session of 7 minutes only. According to its official website, ...