The guys here that think this is even remotely ok to kick a woman when she is on the floor with her hands tied, need to go back to their place where they grew up and learn some more from their parents how to treat females. This is disgusting he received a little bloody tap and resorted to kicking her hard in the head as stated above a women on the floor with her hands tied. No exception even if she kicked hard and knocked him on the floor gives no right to touch a female, shame on you people who make BS excuses she hit him reflex bla bla no excuse "never hit a woman" only defend yourself if necessary..
You just completely contradicted yourself with your sexist statement, you said never hit a woman and then said only defend yourself if necessary, there isn't one or the other. This kind of thinking is why more men end up in jail than women. If a cop is trying to beat the shit out of you while you're defenceless and lying on the ground, then hell yes, fight back, but this woman wasn't being beaten up, in fact it's obvious she was just being detained there, anyone can see that, well, unless you're sexist of course.
As I've said already, people like you detract from real victims of police brutality and corruption, let this be a lesson for you guys as well if you ever defend yourself out there especially from a woman, the stupidity is strong in our respective western countries, so even if you handle yourself completely fine and back off when necessary you could easily end up in jail depending on the type of people are in charge of your trial and how determined the other party is to get you in there.