Oh Susie please do not worry yourself into an early grave!!!!
This can be a difficult operation to recover from. Rehab is hard. I am positive you are doing all you can to make yourself better. Please don't think you aren't doing what you should!
Perhaps, with all your pt has said, now is the time to take a small break! Give yourself one day when you aren't trying to exercise it better! Have a rest, do the icing & elevating but NO exercise! Anarchic maybe but hey why not try it? Then start the next day, but break down the exercises into no more than 10 minute sets of exercise, or less depending on HOW you feel, do it throughout the day. If she is saying every 2 hrs then maybe that's what she means! Remembering QUALITYis better than QUANTITY! Little & often is better! But REST after each set you do, you really must rest, soooo very important at this stage! Keep warm & hydrated & rest!! I can't stress enough how much your body needs rest!! Also relax into exercise tension makes exercise harder! Think Yoga! Concentrate on breathing properly, exhale on the hardest part of the exercise.
Warm the joint before exercise, ice after exercise.
If the painkillers make you nauseous go to your GP get some different ones. I don't know what but your dr should be able to help. Or ask for referral to pain management clinic. Get your meds sorted & maybe it will make exercise easier??
At the end of the day, if you need MUA so be it! There is a post on here from someone who had manipulation & it wasn't that bad & resulted in a good ROM! Perhaps look back & find it, it may reassure you on that front! Physiotherapists tend to use MUA as a stick to beat to beat us with. It's like the ultimate threat! Like when as a child your mother would say if you don't eat your carrots you won't see in the dark!!
I have a theory that hospitals pick their physiotherapists up at Torturers R Us! They have not had TKR. Your pt, being new, has absolutely NO IDEA of what you're going through! She has no idea of how YOU feel! She may have been told WHAT TKR is but has NOT experienced it personally!
The stockings may not be the correct size for you? How do you put them on? I wasn't told to wear them after I was discharged from hospital, I only wore ONE in hospital on the unoperated leg! We were all told the importance of doing the ankle rolls & lifting toes up & down (the exercises you're told to do whilst flying) to stop blood from pooling in your legs.
I do wear compression hosiery (medical hosiery), due to another condition & couldn't put them on at 3 weeks as I couldn't bend my knee enough to PUT them on! So if you are doing that you are better than I was at 3 weeks! A better bend! So please calm down I have now managed to get to 120 without being tortured by a young pt. If I can do it so can you!!
Please relax. & take care of yourself. You WILL get there. Patience is the key.
All the best
Marilyn
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Sorry it's such a long reply!!