Then, I go about my day, including some very tough new rehab for my shoulder. I found out that the part of my shoulder that had surgery (the AC joint) has become quite unstable. I've had sudden "attacks" of excruciating shoulder pain over the past few days, and I had the shoulder evaluated today. Apparently, it's slipping out of alignment because the rotator cuff muscles atrophied after my surgery. The "cure" is lots of painful strengthening exercises. I started today... I may have some one-handed typing days in my near future.