[ QUOTE ]
SamG,
Maybe do below parallel box squats instead of regular squats for your warmups?
This could help you focus on sitting back more. Dunno :x
[/ QUOTE ]
I had to Google it.
http://www.t-nation.com/findArticle....=body_120squat
I really like this idea (except I'm going to have to find a box now, aren't I?).