At 5 weeks a 15-20 minute walk everyday might be too much walking for you and it’s way too early to do hills. It always amazes me what some PTs tell their knee replacement patients to do. My guess is they are also overworking you on other things.
Take these 2 weeks off from PT to the max, so your knee/leg can just relax. Spend a lot of time icing and elevating, don’t do any “exercises” for these 2 weeks, just go about your day as you are able and let those daily activities be your exercise. If at the end of the 2 weeks you feel better, then you’ll know you’ve been doing too much, which I suspect you have.
I had a partial, also, mine was a Patellofemoral. Which partial do you have?

Take these 2 weeks off from PT to the max, so your knee/leg can just relax. Spend a lot of time icing and elevating, don’t do any “exercises” for these 2 weeks, just go about your day as you are able and let those daily activities be your exercise. If at the end of the 2 weeks you feel better, then you’ll know you’ve been doing too much, which I suspect you have.
I had a partial, also, mine was a Patellofemoral. Which partial do you have?
I’ve had plenty of those thoughts and parties, too, I’ll be glad to come keep you company any day!. And wondering why did I chose to have this surgery. Pity party time at my house, refreshments served!

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