Unlike a lot of folks who get this condition, I was a very active athlete and have returned to training. I am also a classically trained pipe organist. Playing organ requires a great deal of dexterity with the feet, since they must play the pedals, which is just a keyboard for the feet. I am back to playing organ regularly with no problems at all.
You can read up on a lot of the particulars about resurfacing at active joints, a site for younger patients who are having hip problems.