Grab your stability ball and let’s do a quick 10-minute core workout that will set your abs on fire. Some of the exercises in this workout will have you with your back or hands on the floor, so feel free to use a mat for some extra padding too.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!