This caloriekilling HIIT workout can be done at home in just 15 minutes.

The workout consists of one circuit, made up of 8 exercises. You'll do each exercise for 45 seconds, followed by 15 seconds of rest. Do the circuit 2 times and you're done!

HIIT, or high intensity interval training, is a great way to burn fat and get in shape quickly. And the best part is that you don’t need any equipment. This workout will have you sweating and burning calories in no time. Save it for later, and try it out!