well, at least they didn't do that to him http://www.youtube.com/watch?v=1ljYNgLnpxM
The guy's screaming "Dad! Dad! Dad!" ... that breaks my heart. One bystander wisely asks "How do you resist when they're on top of your back?" and then wonders why they don't just put the cuffs on him and be done with it. That's a common theme I've noticed with these incidents: the assailants keep saying "stop resisting! stop resisting!" But I imagine it's kind of hard to stop struggling and moving around when you're…
Convulsions from multiple tazering and hits into the head and spine. It is a catch-22 for the victim - police tazers you, you convulse, ie. resist, thus giving them plausible cause to tazer you more and/or in this particular case to hit your head, neck into the curb, etc... when they hit your head (or kidneys - they professionally trained and very experienced in how to hit you) the brain and spine nervous tissue shock make you convulse, ie. resist, ... loop continues.