This is a simple post to keep track of good stretching exercises. This page is a work in progress and I will continue to add to it as I find and experiment with more stretching routines.
Upper Back, Neck and Head
Tout pour Ma Santé has great exercises for painful necks and headaches. This page is in French but the photos make it rather straightforward to understand.
Next is one of my favorite yoga and stretching channels on youtube. No talking, just the exercises with timing to follow along.