Well your form lacks too lol jk

Remember it only take 1 time to injure yourself badly. 1rm should always be done correctly. One shouldn't forget about form because he's lifting his max.
It's far from over exaggerating. All lowerback
Edit: I'd add that after looking at this pic and his starting position, the bar was too far from his shin befause de bar path wasn't straight
http://img526.imageshack.us/img526/651/vlcsnap2012111323h07m11.png
that looks painful...