A few months ago I was at the store and my left arm started shaking uncontrollably. It was like muscle tremors. The shaking was so bad I almost dropped the clothes I was carrying. A few weeks later, it happened again.

Today I was sitting on the couch and all of a sudden I got a burning sensation in my left arm. It felt like I put my arm on a hot stove. I have no clue what could have cAused either of these. Could it be anxiety?!