It’s a new year, and you want to change your workout program, but you’re unsure whether to focus on volume or intensity.

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 ...

A recent study from Australia suggests that high intensity interval training may be optimal for body composition in older adults, by helping to lose fat while preserving muscle.

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 ...

For your speed workout, try a fartlek run/walk: After a walking or easy running warmup, run hard for 30 seconds or as long as ...

This guide helps you figure out how to squeeze strength workouts between all those miles.

Burn fat, increase your strength and power up your cardio fitness fast, with this high-intensity interval training workout Efficiency is the name of the game when it comes to high-intensity interval ...

You’ve probably heard of high intensity interval training (a.k.a. HIIT), but have you heard of high impact training? Though they sound similar, these two types of exercise are a little different. Like ...

Low-intensity exercise is thought to be better for keeping this “stress hormone” in check. But scientists say cortisol plays a crucial role in fueling your workout. Often called the “stress hormone,” ...

Low-intensity training is great for you, no matter what your fitness-tracking gadget says.