The 5 ESSENTIAL HIIT types you NEED to USE

[@HansLoeffelholz]

Thanks for another great intro video, these are a great addition to the book. thanks for sharing the knowledge.

[@hiitscience1897]

Thank you Hans! We are trying to give more spice in different variations. Great to read that you are enjoying this!

[@lp6476]

Hello. How can we apply type 1 hiit for soccer athletes? How much time to recover from this type ?