damn u chad man! ur goin down! heh!
sorry this is a bit late, but for muscle structure, what i used was kinda a mix between human legs, and lion, because i worked on the griffon last challange i used alot of that knolledge the rest i kinda just made up
but it works eh
umm yea man ur hind quarters there are lookin pretty damn spiffy, witch means i have to step up my progress 
good luck




Other than that its looking great man!

