I only saw your original message today, Doctor - otherwise, would have sent good wishes much sooner. Refu’ah shlema, Doc - I wish you a complete and speedy recovery. Had the same myself two years ago, and while I’m not yet taking flamenco lessons, it did me no end of good. The rehab period, for a few months after the operation, is particularly important - the more exercise you are able to do, the sooner you will recover. A woman friend with 2 titanium hips recommends cycling. She does 20-30 km several times a week.