I am using a walking aid if I go anywhere as I get too tired without it. I forget it at home as I have a very small home, it’s two steps from the lounge to the kitchen and four to the bathroom. I’m not doing any exercise and spend most of the day sitting, icing and elevating unless I have an appointment or need the chemist or grab some shopping.
I'm glad you are using a walking aid. What made me concerned was that you said this, several posts ago:
My knee has had time to do some healing and I’ve been able to walk without aids since the day I arrived home from hospital however I use a stick when I go out for safety purposes.
It's still too early in your recovery for you to be going out to get shopping.
Check your activity against this:
Activity progression for TKRs
For at least the first month, your nee needs minimum activity. As Pumpkln said, you wouldn't be trying to do these things while walking on a broken leg. Your knee has now had several surgeries and those cause just as much trauma as a bad fracture - possibly even more.
The physio has now written a note requesting a plan to start exercising the knee. He was telling me what he intends to do and that includes half lunges to work hips. Not sure I like this idea. He is now saying it might be time to start pushing through the pain and putting up with a bit of pain to gain ROM. I don’t like that idea either.
As the others said, this is not the physio for your knee.
It sounds as if he is impatient and he plans to do far more than your knee will tolerate.
Lunges may work the hips, but they are very bad for a new knee.
And anyone who talks about pushing through the pain is not going to be a friend to your knee.
Myth busting: no pain, no gain
Either find another therapist who will treat your knee more gently, or don't go to PT at all. A good therapist is a help, but doing no PT therapy at all is better than having bad therapy.
Only you have the right to say what happens to your knee. You are in charge.
Saying no to therapy - am I allowed to?
CONSENT: what it means and how it can be used
There are many of us here who did no PT at all, but just let the normal activities of our daily living be the therapy for our knees - and we got good results. That's what I did for my last TKR.
It's not exercising that gets you your ROM - it's time. Time to recover, time for swelling and pain to settle, and time to heal. Your ROM is there right from the start, just waiting for all that to happen, so it can show itself.
My surgeon doesn't allow any PT at all for the first month after a knee replacement. He says your knee needs that time, to start on its journey of healing. For that month, we rest, ice and elevate our leg, and walk around the house.
After that month, we just go to PT once every 2 weeks, where we are shown a few new exercises to do at home.
His patients all do well and achieve good ROM, as I did, and he hasn't had to do a manipulation to help with ROM for the past 4 years, because nobody developed adhesions. I think that speaks for itself.