Killer 10 minute advanced ab workout

Here is an absolute killer abs workout you can do at home in 10 minutes. This is NOT for beginners as it would cause injury, if you are a beginner, please start with crunches. This advanced abs workout – it’s a really simple and painful 10 minute workout that you can do once or twice a week, more is not better. There are only three exercises, windshield wipers and weighted crunches super-setted.