Nude Jumping Jacks

We were going to write something about the relationship between the fascinating motion-capture technology on this site and the work of Eadweard Muybridge, the 19th century inventor of serial photography, but got too distracted by all the nude jumping jacks to develop our thesis any further. Er, what was the question again?

JJ1: Nude Jumping Jacks (samples here - thanks Tripp)