Had to quit working on shop went to emergency room after working on shop with extreme pain in right arm and intense muscle spasms, diagnosed as pulled muscle finally got to orthopedic surgeon(he is my new HERO)after a month of extreme pain and not working, still recovering from emergency surgery 3 discs removed from lower neck and fused with cadaver bone and titanium brackets, woke up no pain but not able to work for 6weeks to 3 months. not complaining just have the worst case of cabin fever ever after a month of not sleeping it messes with your head.