In this video i explain the 8 Week HIIT plan that i have pubished on my website. it contains the information about HIIT and how it works and how you can use this 8 Week HIIT plan to get into top shape. http://www.currycanwait.com/8-week-hiit-plan-beginner-to-advanced/ HIIT timer App: http://www.currycanwait.com/download-app/ https://play.google.com/store/apps/details?id=com.ccw.hiittimerbyccw