How can you tell if you have a stress fracture.?.....My right hip has been achy since I was thrown off a horse ...about two years ago....it dosen't hurt all the time....but I can't run anymore....I can lift wts, do step, hi/lo, kickbox, even plyp.. but it aches if I sit or stand for any lenght of time......any ideas what it could be....I see my doctor in two weeks....but would love any input