Honestly, drawing people in general will improve your drawing anatomy— I don’t know how you practice, but it’s good to practice a lot, with efficiency. The quality of the practice is just as important as the quantity of practice, so understanding basic shapes of people will really help out. Since porn involves a lot of humans, I guess it does...... reply
I take live model classes (aka the model is naked in most cases) and isn't embarrassing (well... it took me a few classes to get used to it though) but highly instructive.
Though I have never, nor wish to at the moment, seen a man naked out of this context, I'd say that any very undressed, or wearing skinny(?) clothes, model would be of help, since...... reply
