Muscle spasm in left side of neck into shoulder
What is muscle spasm in left side of neck into shoulder?
A spasm is a sudden, violent, involuntary contraction of a muscle or a group of muscles (including involuntary muscles such as in an artery, the colon, or the esophagus), attended by pain and interference with function, producing involuntary movement and distortion.
"I will update my symptoms report and see how my status has changed.
It gives you a sense of how the disease is changing over time with many many symptoms."PatientsLikeMe member bkincaid
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