Articles for Tag: "high intensity interval training"

What is a Fartlek? 
What is a Fartlek?
It could be a key part of a good exercise regimen.
Does high-intensity interval training produce better results? 
Does high-intensity interval training produce better results?
A new study reveals just how effective this type of workout can be.
The hottest fitness trends for 2015 
The hottest fitness trends for 2015
Check out the trendy workouts that are set to be a big hit next year.