One of the most popular single workouts in the app is now here in its full hell-hath-no-fury form. This 4-week program is designed to simply get you in your best ever shape and burn some serious fat. It's well known that HiiT training is one of the best methods to burn fat both quicker and more efficiently, so what you'll find here is a carefully planned out routine mixing bodyweight, weights and a little cardio to ramp your metabolism higher than ever before.

Want to burn way more fat and much quicker? This is your answer.