Cardio doesn't have to be walking, running, or dancing — after all, some people don't like attempting to follow along with choreography no matter how "easy" the moves are or how empty their house is ...

Up until about an hour ago, I felt good about my jump-roping ability. Then I found Bernadette Henry (@jumpropeisdope) on TikTok and, in the face of a true master, promptly downgraded myself to ...