We have had a few members with SCM issues and it can cause compression, so that might be making symptoms worse for you… if you use the search function to look up SCM muscle compression etc it’ll come up with a few mentions. In this discussion @csainsworth mentions a hypertrophic SCM muscle like you have so it might be interesting:
Rare Fractured Styloid Process? Symptoms of dizziness, confusion, persistent agitation, weak arms, pain and something stuck in neck. Please help - General / Eagle Syndrome Stories - Living with Eagle
I think the fact that you get relief from exercises & acupuncture does indicate that the muscle is playing quite a big role in causing symptoms, it’s a shame that this treatment hasn’t had a linger lasting effect!
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