"Tada, it's a musculature reference. Arm is first, more to come later.
I used a lot of references so you don't have to! And stuff is color coded. I tried to keep is mostly consistent, I think I did fairly well, and I think I got the muscle structure fairly correct. I was having fun looking at the crazy names for some of this stuff (oh, enjoy the little things). I threw a few weird ones in there.