Originally Posted by _Sir_Charles_
I actually agree with this assessment, but to play devils advocate a bit, what if the "cranky" shoulder is due to lots of warming up but very little actual work. Maybe he needs longer stints in order to stay in game shape? I remember I had a teammate who was like that...but he complained alot so I took everything he said with a grain of salt.
I don't seem to recall lots of warming up when not used?