An attempt to grok the muscles of the back... somewhat defeated by a lack of time and a desperate need to sleep.
Rather than copy my anatomy books straight up, or trying to use a reference, I did the thing that makes the least sense but probably is most valuable.� I drew my own angle, then tried to work out the structure using the books.� It is very hard, but it forces me to visualize.�
My social scene has been jumping lately... that might explain both my general fatigue and the hasty sketches. I'm not complaining... simply observing that this is the price I pay.