s pulling on the left side of your head
and the
headache. You need to get your whole
shoulder and neck carefully massaged out, might be a knot of muscles that a professional massage therapist will locate, and that would be the muscle spasm area. I get muscle spasms a lot from a wrenched spine, and when husband works them out, he can feel those knots I'm referring to, and he rubs them out, sometimes takes a few times to settle the whole thing down.