Add Yahoo as a preferred source to see more of our stories on Google. "Just to warn you, my mom might be Jazzercising when we get home." This was always the disclaimer my childhood best friend would ...

While you've probably seen a video or two of Judi Sheppard Missett vibrantly leading a Jazzercise workout in the '80s, Jazzercise has been a dance cardio powerhouse for over 50 years. Even with ...