What really makes good head movement "good"?

I think hattons head movement is just him going through the motions of moving his head, its not a cat like reaction to punches or even educated guesses at the next punch, just seems to be some generic learnt head movement and is very in effective
Hamed had some great head movenment when he was under attack

 

Sometimes I forget how good Pernell Whittaker was. What a fighter.

 

It's worth checking out some early Floyd Patterson fights for prototypical Cus D'amato peek-a-boo style head movement. The great boxers such as Jersey Joe Walcott and Ezzard Charles were textbook fighters with excellent head movement as well.

 

:dead NB. Thread is from 2007.
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I nominate Mike (Tyson) [I hafta. He was one of my favourite fighters]

& Chris Byrd (until he got caught by that President hooker cut)

& Locche (creme de la creme)

Honourable mention to guys like RJJ and Ali only due to freakish reflexes, unlike Duran, who IMHO got by on boxing 'knowledge'.

[ame="http://www.youtube.com/watch?v=w8aerkHG_7A"]http://www.youtube.com/watch?v=w8aerkHG_7A[/ame]