why does my muscle quiver
Neck spasm is a sudden and involuntary contraction, or uncontrollable tightening and shaking, of a muscle in response to strain, overuse, weakness, or muscle pain related to injury or a disorder.In some conditions, such as cervical dystonia, the spasm may cause your head to turn or to jerk.n addition, neck spasms can be symptomatic of either an injury such as a fracture or another disorder, such as: Health Stories: Read how this real patient found the right care. I was in excruciating painâ¦and you rescued me.