I've been studying anatomy on my free time for the last couple of months and would love to hear some crits.
This is the model I'm working on at the moment:


I hope you wont mind the lack of proper hands and feet, I'll get to them later.
There are some areas I think look wrong but can't quite figure out how to fix:
upper torso/shoulder
transition from abs/belly to the back
legs and waist in 3/4 view.