Feel the burn (90s style)

I may have done step aerobics this weekend. It's been so long since I've done "repeater knees" and "L steps" and "grapevines" that I felt obligated to bring up another hot workout trend from the 90s: the slide. Which I totally did back in the day, complete with the little booties to cover your shoes. Witness:

http://www.youtube.com/watch?v=ej26y3dn27M