I just posted a new video to teach you how to draw the lumbosacral plexus. Aside from teaching you how to draw the plexus, the video shows you how to figure out which nerve root levels contribute to each nerve. It also has a bonus at the end showing a quick mnemonic you can draw out for the sacral nerves and levels. Below is a link to the video:
I hope you find the video helpful.
-Dr. Lotz 🙂