Sure, it'd be great to take time every week to stretch and meditate and become all zen, but, honestly, wouldn't it be a lot more enjoyable to tell your instructor to kiss your ass while you flip them off? Lindsay Istace thought so, and that's why she created Rage Yoga, a new take on the traditional New Age music and phrases said in different languages so no one knows what they're saying.

Lindsay talked about the creation of Rage Yoga, its spread and her new book on the subject, "Rage Yoga: Unleashing the Badass Within," available next month. (Just in time for the holidays!) For more information, check out the Rage Yoga website.