I was never extremely flexable, but one of my injuries in my accident was a big shot to my hip. Now i'm trying to get the side kick and round kick flexability back, but it's not going well, because my hip wants to either lock or pop out, instead of getting more flexable. Any ideas that might help.

You might try to roll your hip around before trying to stretch. As for why it catches and pops, I would consider talking to a specialist that might be able to answer why.

Thanks I'll try rolling it around more, that might help, i do that some, but not as much as i should. The doctors just look at me like i'm crazy and should just be happy to be here, but thats not who i am.