After the 401 rear-end my neck felt glued in place, I kept two sessions on exercises
https://tylerhighparkfrost.cloudhinter.com/posts/toronto-physio-answers-what-do-the-first-few-weeks-after-knee-replacement-feel-like
Post the 401 rear-end my neck felt glued in place, I spent two sessions on exercises, and finally session three's massage broke a stubborn knot that bothered me at my desk.