Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Sprint interval ...

High intensity interval training could be the secret to staying young. — -- Exercising by doing interval training, not weight lifting, could be the secret to staying young, according to a new ...

Interval training workouts involve structured exercising at different intensities with recovery periods in between. High intensity is usually anaerobic exercise, while the recovery periods involve ...

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 ...

For the past decade, high-intensity interval training has been among the top 10 fitness trends every year, according to the American College of Sports Medicine. During a HIIT workout, you pair short ...

You’ve probably heard of HIIT—high-intensity interval training. You may even make a habit of doing the workouts yourself. And there are a lot of seriously impressive advantages of turning up the dial ...

BLOOM (TAMPA) – Not all workouts are created equal, and high-intensity regimens like HIIT (High-Intensity Interval Training) may not be suitable for everyone. Strength and fitness expert Iliana ...

Sure, running is just as easy as putting on the right shoes and heading outside, but once you get into it, you start to see information in the form of acronyms, such as DNF (did not finish), FKT ...