As the title suggests, let’s “HIIT” the Wall! Find a clear section of wall space to start this High-Intensity Interval Training workout. Give your glutes the heads-up that you’ll be giving them lots of love during the next half hour. Let’s get started with a short warm-up.Do you have a fitness resolution? Make progress towards achieving your goals with Skimble’s top fitness apps and supportive community. If you’re new to Skimble, our Workout of the Week challenges offer you fresh ways to be fit. Download Workout Trainer on your Android & Apple devices and do your first workout! Remember, if you want to stay up-to-date with our Workout of the Week challenges, be sure to have your Workout Trainer notifications turned ON in the app!