Your hips could reveal your innermost secrets -- details about your mood, your health and even if you are telling lies. Rory Wilson, professor of aquatic biology at Swansea University, has come up with device capable of recording up to 100 movements per second when worn on a belt or around the ankle.
http://ummid.com/news/2011/November/15.11.2011/hips_dont_lie.htm
http://ummid.com/news/2011/November/15.11.2011/hips_dont_lie.htm