You know, there is always the possibility that you had a severely strained muscle or ligament, and that's why that diagnosis was made.
Seriously, we often do things to ourselves that are overuse injuries and we don't even know it till later. On that note, if don't trust your doctor's diagnosis, instead of asking for help here, GO GET A SECOND OPINION.
"In the world of martial arts, respect is often a given. In the real world, it must be earned."
"A stupid man's report of what a clever man says is never accurate because he unconsciously translates what he hears into something he can understand. "--Bertrand Russell
"Liberals - Cosmopolitan critics, men who are the friends of every country save their own. "--Benjamin Disraeli
"A conservative government is an organised hypocrisy."--Benjamin Disraeli