I had one about 5 years ago..
WAY more difficult to recover from than a hip (I've had two)..
Skied 7 weeks after then hip replacement,, 9 weeks after the knee replacement and was still very painful..
Really is a one year recovery until you're totally back to normal.. but now it's like original equipment..
I ski, bike, lift weights,, no issues
careful it might make you vote republican however
Like all joint replacements THE DOCTOR is the huge variable,, research them very carefully