Jack: The Whole Package Jack Lalanne was the Godfather of Fitness. He was also Mr Power Juicer but we won't go there. He died in 2011 at the age of 95. His dedication to fitness and nutrition would appear to have paid off. But now, I'm sure, he'd be spinning in his grave. Or, perhaps, to be current, twerkin' in his grave. "What's twerkin'?" I hear you say. (Not really but this narrative works better this way.) Well I'm glad you asked. You see I've been wondering the very same thing for the last little while until I did a little research. You know, of course, that from time to time I cruise the entertainment websites - places like TMZ and Perez Hilton - where I avidly follow the empty lives of people who's names mean absolutely nothing to me. Well, over the last little while I've come across increasing references to twerkin'. Miley Cyrus does it. You know, Billy "Achy Breaky Heart" Ray's kid? And Rihanna does...