I have put together a quick demo for the upcoming conference. Sadly I wont be there to present the work but the main author Manuel J. Fonseca from IST is going to be there.
Give it a play and let us know what you think. This is a heuristic approach to parsing of sketched postures into a skeleton.
Paper Details and Demo from: http://stuartjames.info/skeletons-from-sketches-of-dancing-poses.aspx