My first knee was done eighteen months ago, but no one told me that it could take up to a year for the swelling to go down. As mine took ten months, I spent nearly a year thinking I had been crippled for life. But it passes! I have spent the last six months slimming down and working out with the exercise videos on YouTube. There are all kinds which are low impact, such as Walk at Home, seated, recommended for seniors, and all kinds of dancing. These cab done at home, every day, in front of a long mirror. Now my muscles are built up, I can walk normally up and down stairs, and even kneel. When my second knee is done, I shall be prepared in my mind in case it is not “all done and dusted” in six weeks. Good luck with your surgery, and fingers crossed for your quick recovery.