2:42 AM, Saturday February 20th 2021
Since my original post in August, I did talk to my doctor, who referred me to a physical therapist and an occupational therapist. I'm very grateful I had access to their support, because I'm able to draw again. I dropped out of drawabox for a while because my hand and wrist issues got worse and worse, until I couldn't draw for even 15 minutes without giving up any use of my hand for the rest of the day, like lifting a spoon.
I didn't get much drawing done in that time, but that was for the best because I could rest and build strength to get where I am now. Originally my question was influenced by understanding drawing from the shoulder is recommended for a reason, and knowing my disability affects every joint in my body, I figured it would help to draw from my shoulder since the muscles are bigger and stronger. That wasn't possible then, but now I can draw from my shoulder some of the time, which saves my wrists and hands from damage.
I only did a couple assignments after what I'd mentioned in the first post, so I'm going to restart drawabox now that I'm finally able to draw more reliably. It took a lot of accommodation and physical therapy, which I discussed a little more in another reply, and I'm ready to try again.
Since I've had to build up functional use of my hand again, I'm glad I'm starting over because tbh I'm basically a beginner again, at least in my mechanical skills. That perspective, plus the extra patience and evaluating what strategies I can and can't do make a big difference.
Thanks!