It’s Cardio Week at – something we can get behind! – and they have a new workout for you every day on their website.

Today’s workout involves one exercise: jumping jacks. But we’re not talking about the boring old-school calisthenic you did in gym class. These 4 unique—but intense—versions of the exercise will get your muscles burning and heart pumping in no time.

This routine was created by Men’s Health Fitness Director BJ Gaddour and is performed by him in the video below: