If you've been told you need a total knee replacement, first check the options and make sure you really do need one. If you end up getting a total knee replacement, it's not the end of your active life by any means.
Use it or lose it is powerfully correct. But in order to use it, it is important that all the mechanical imperatives are obeyed. Our longtime shared running goal is to run until we are 100 with or without our original hardware. Remember that the devil can't hit a moving target.
"It's a terrible problem," she said, "They can't exercise without pain before the operation, but if they don't lose weight, their new knee or hip will wear out and they may develop other orthopedic problems."