This is an isometric core and leg burner. All fitness levels are welcome to get in on this 40-minute bodyweight session. To get the maximum benefit from this workout, try holding all positions for the entire time allotted. After you’ve finished, you can officially exclaim, ‘Iso-Fit’!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!