I pulled a neck muscle (left side) about 4 weeks ago. About a day later I noticed a high pitch sound and woke up to buzzing ears. Next day I noticed some clicking on my jaw on the left side (didn't happen before). Went to 2 ENT's, had a hearing test which was normal and ear MRI was normal. Brain MRI revealed a mild sinus infection. Over the course of 2-3 weeks and several physical therapy sessions the neck is feeling better and the sound has diminished ~50% and has turned more into a hissing sound than a pitch. About 2 days ago I noticed that finally my jaw wasn't clicking as much when opening/closing on the left. I've also noticed that being in a noisy area seems to intensify the hiss/ring, and as soon as its quieter it goes down. Noise seems to move from side to side but as of recently seems more on the right. My question is could there be a relationship between tinnitus and a neck muscle/issue? I don't recall having this issue before until that day I woke up with my chin down and neck turned. My range of motion was terrible after pulling the muscle, now its much better but there are times when all of a sudden my neck and upper back muscles tense/stiff up.