Bingo. Concussions and the Jerry Circus didn't help, but the back was the nail in the coffin. I remember him mentioning it in his press conference when retiring.
Aikman was too much of a class act to bring up the Jerry stuff in his press conference, but I still think he would have played on if the back hadn't given up.
More than the coaching circus, what frustrates me the most about what Jerry did to winners like Aikman was the poor drafting.
If Aikman had stayed healthy, I imagine he would have enjoyed the same rebirth as Randall Cunningham if we had been smart enough to draft Randy Moss and some other gimmes.
Someone posted here that Aikman was all for Tony Gonzalez but the it was Jerry World that settled on David Lafleur, although Aikman gets blamed for the Lafleur pick. Just those two guys alone - Moss and Gonzo - would have given him some extra life as long as we could protect him.