Curious if anyone else after suffering a concussion has had random muscle jerking movements. I have noticed since my concussion 3 months ago i sometimes have moments were one of my arms moves by itself for a second, especially when i am about to go to bed. The only other thing i could think of that could do this is MS but it seems that almost all the side effects of MS are the same as the result from a concussion. However IDK if muscle spasms and arm and leg movement is a symptom of a concussion or a much larger issue. im 23 btw,