Speed and agility, sure, but big people can do that too. I'm not saying she's obese and unhealthy. I'm saying she's thick, and muscular, and maintains a pretty brutal style to match. Krav Maga is nasty, and basically works in short bursts of speed... it's not fancy, it's just... well, some of it's just mean. >>; I was trying to find a decent video of it but so far youtube's not helping.