Hello @sunburned2020, Welcome to Mayo Clinic Connect. You will notice that we have moved your post to an existing discussion - Knee Replacement - Getting Prepared so that you can meet other members who can share their experience.

I had my right knee replaced a year ago in April and upon the recommendation of my Mayo Clinic care team did pre-surgery exercises that they recommended. I believe the pre-surgery exercises along with post surgery exercises made my recovery much easier.

Mayo Clinic's Approach to Knee Arthritis – Both Surgical … – YouTube
— https://www.youtube.com/watch

The FAQs of Knee Replacement Surgery with Dr. Ortiguera – Mayo Clinic
— https://www.youtube.com/watch

Here are some of the pre-surgery knee exercises that I found and used most of them for about 3 to 4 weeks prior to my surgery:
https://www.allinahealth.org/health-conditions-and-treatments/health-library/patient-education/total-knee-replacement/preparing-for-surgery/before-surgery-knee-exercises
Do you already have your knee replacement surgery scheduled?