My thumb and pointer finger went numb a year ago. For me, I'm pretty sure that most of the cause was due to problems in my shoulder, and not the hand itself.

My thumb and pointer finger went numb a year ago. For me, I'm pretty sure that most of the cause was due to problems in my shoulder, and not the hand itself. It's worth noting that strain on your neck and shoulder can cause "pinched nerves" which will result in numbness in your extremities. Acupuncture, regular breaks away from the computer and exercise fixed my issues.