HIIT-style running workouts comprise short 30-second bursts of sprinting interspersed with a rest period, which decreases as you progress through the workout.

HIIT workouts — although shorter — require more effort from your muscles and can be stressful on the joints.

Do you even know what HIIT stands for? We have the answer to that—and a whole list of pulse-pounding workouts.

High-intensity interval training is a type of metabolic conditioning—but not all metcon is HIIT. Metcon workouts typically involve lifting weights, but they can also include less-intense cardio than ...

However you do it, what makes HIIT work is the intensity. You’re going hard – typically as hard as you can – for a short period of time, then resting for a length of time that’ll let you recover to go ...

Can HIIT workouts sabotage your weight loss? HELLO! finds out by speaking to a qualified personal trainer and founder of the ...

These 10-minute HIIT workout videos offer fast and effective exercises that don't require any equipment.

Trainers explain what an AMRAP workout is, plus the health and fitness benefits of doing AMRAP workouts, and how to put AMRAP ...

What does HIIT actually mean? We break down what high intensity interval training does for your workouts—and how to plan to use them to improve cardio health.

After hitting her heaviest weight of 235 pounds, Danielle L. did the vegan diet as well as HIIT workouts and strength training to lose 100 pounds in five years.

Weight loss is complex and influenced by multiple factors, including workouts. Here are some potential reasons why your ...

For those embarking on a weight loss journey, the debate between cardio and strength training is common. Cardio excels at immediate calorie burn, whil ...