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.

Add Yahoo as a preferred source to see more of our stories on Google. Korir’s moves, choreographed to music, demonstrated his ability to move with precision and rhythm – and watching these videos left ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." What's old is new again. It's as true in fashion as in gym equipment, and now aerobic steppers have been ...

There’s a big birthday happening this year, and no, it’s not mine. (Although that does happen to be this Friday. Thanks for asking!) But as we bust out the candles – and the leg warmers – to celebrate ...