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How much do our knees weigh?

Discussion in 'Knee Replacement Recovery Area' started by Ffion, Apr 20, 2012.

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  1. Ffion

    Ffion New Member

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    Hello! When I weigh myself, I do like to knock off a few pounds on account of my metal knee being heavier than bone. Am I allowed to do this?!! Apparently, I've got a Smiles knee {which pleased me, as my sirname is Miles}. It's now just a knee actually - some of my femur was taken away and I've got pins going down to just above my ankle.

    I did handle a knee like mine once {got bored in hospital and went for a wonder round the grounds and found the labs} and it was pretty heavy - I really should have asked specifically how what the bone v metal ratio was then.

    If not, I'll stay in la-la-land and knock 5lbs off my weight each time!!!

    TTFN
    Ffion in Wales
     
  2. Janet2012

    Janet2012 Don

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    Yet something more to look forward to. Heavy knees.:skeptical:
     
  3. Pumpkln

    Pumpkln Forum Advisor

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    5# may be a bit much, but may as well subtract that from my weight:th_heehee:. Until some one comes along and enlightens us that it is much less.:sigh:
     
  4. Mimi

    Mimi Sr Bonesmartie

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    "According to Josephine, a knee prosthesis weighs about 10 1/2 ounces or 300 grams."

    I have seen no weight gain due to a heavy knee. At my pre-op they said that the largest prosthesis could weigh a pound.
     
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    • NatalieMeadows

      NatalieMeadows Post-Grad

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      Oh I was reading this thread in hope I'd weigh less but it's not enough to matter!Damn!
       
    • Josephine

      Josephine NURSE DIRECTOR, BONESMART Administrator

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      shame! :th_heehee:
       
    • Pumpkln

      Pumpkln Forum Advisor

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      Oh well I just gained 4 pounds from this morning.:cry:
       
    • PhoenixS

      PhoenixS Post-Grad

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      So how do I explain 15 pounds of weight gain????:hissyfit::th_heehee:
      NOT FAIR!!!
       
    • bottomshollow

      bottomshollow Moderator

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      Er, well, Sandy, how 'bout all those sleeves of Oreos? :hysterical:
       
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      • PooShay

        PooShay Sr Bonesmartie

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        You are cracking me up! :hysterical:
         
      • Josephine

        Josephine NURSE DIRECTOR, BONESMART Administrator

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      • Dhare63

        Dhare63 Sr Bonesmartie

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        Love, love, love this thread!!! I still think I will use the excuse that my knee weighs 5 pounds, only my bonesmart friends know the real truth!!

        Dawn
         
      • Ffion

        Ffion New Member

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        Oh dear... I'm heavier than I though! Although, I'm going to give myself an extra pound off as my prosthesis is pretty big. I held one once, and its spen was definitely longer than my hand {I've no idea how big the average knee replacement is}. I have emailed Stanmore implants with the crazy question of how much a Smiles knee weighs - no answer yet!!!

        So, given I now weigh more, does anyone have any good ideas on how to exercise, without wearing out you knee {or making it swell up, in my case, because of an udnerlying infection}. I do swim, but that's it. I'm caught between needing to be lighter on my feet so i don't put so much pressure on my knee, but not wearing it out early through exercise - vital in my cse, as I'm on my second knee and I'm only 36!

        Anyone got any ideas?

        Of course, there is obviously the 'don't eat so much chocolate' option!

        Ffion xoxo
         
      • bottomshollow

        bottomshollow Moderator

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        Ffion, regular exercise will not wear out your new knee. It's high impact activities that do that and most standard exercise is not high impact.

        Can only suggest that you do your exercising when you are able to elevate and ice afterwards to help aleviate possible swelling.

        So, unfortunately,:th_heehee: there's the "don't eat so much of everything" option along with exercise, too. And no excuses about wearing out your new knee!

        Keep us posted. We care.
         
      • Phoenixgirl

        Phoenixgirl Junior Member

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        Ffion,
        I like not only swimming, but also water aerobics, and my stationery bike (keeps my knees flexible). Walking is also another exercise that shouldn't wear out our new knees. My OS said he wants me to keep exercising and that those won't wear them out prematurely.
         
      • GrandyGirl

        GrandyGirl Graduate

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        how much weight should i add to the prosthetic weigh to account for ocassional swelling???

        just kidding:biggrin:

        Dori
         
      • bottomshollow

        bottomshollow Moderator

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        Not as much as you'd like to!:hysterical:
         
      • Josephine

        Josephine NURSE DIRECTOR, BONESMART Administrator

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        Yes, very little! And I can assure you that your knee does only weigh about 10ozs. The ones I have in my archive in my spare room are older ones and probably quite a bit bigger/heavier than yours and they were the ones I weighed to get this number. They certainly do NOT weigh a pound! No where near.
         
      • kneeper

        kneeper Forum Advisor

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        I got a chance to look at and hold the type my OS uses at my consult and it felt sturdy, but not heavy. Would be nice to deduct a pound though...:th_heehee:
         
      • Janet2012

        Janet2012 Don

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        The Knee book said it weighs 4-5 pounds, but for such a recent book, it sure doesn't seem up to date. The information on implant material and surgical technique seems to be old school and lacking.
         
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