The first time I tried step aerobics my hair was in a side ponytail and Ace of Base was on the playlist. In A Christmas Carol, Ebenezer Scrooge is haunted one evening by the ghost of Christmas past.

Of all the fitness trends that defined the '80s, step aerobics ruled the home workout scene. While gym bros were busy pumping iron, this was the original way to “get your steps in.” Though step ...