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Kilmartin Sagittal Raynger

Discussion in 'Biomechanics, Sports and Foot orthoses' started by Dieter Fellner, Mar 7, 2015.

  1. Dieter Fellner

    Dieter Fellner Well-Known Member


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    Dear PA community,

    I am planning some clinical research work that would benefit from KSR. The device is, now, no longer available. If anyone out there has one, and can bear to part with it, I would love to hear from you.

    If anyone has knowledge of a comparable alternative, I would also love to hear from you.

    Thanks!
     
  2. wdd

    wdd Well-Known Member

    Re: Kilmartin Sagittal 1st ray Ranger

    A slight aside which I am sure will not deflect from the central aim of this thread which is to find a KSR for Dieter.

    Punctuation[edit]
    In 1975, the Canadian National Institutes of Health held a conference that discussed the naming of diseases and conditions. This was reported in The Lancet where the conclusion was summarized as: "The possessive use of an eponym should be discontinued, since the author neither had nor owned the disorder."[2] Medical journals, dictionaries and style guides remain divided on this issue. European journals tend towards continued use the possessive, while US journals are largely discontinuing its use.[3]


    Is it the Kilmartin SR or Kilmartin's SR? Does inventing the device indicate ownership? Obviously not of the particular device as of course after they have been sold to individuals they are no longer the property of Kilmartin though it does beg an interesting question?

    If the device is correctly referred to as the kilmartin SR, ie no 's, would it also be more correct to say Einstein theory of relativity or Einstein's theory of relativity?

    If Dieter buys a Kilmartin/'s sagittal plane first ray ranger does it become Dieter's Kilmartin sagittal plane first ray ranger or Dieter's Kilmartin's first ray ranger?

    If Dieter only borrows (ie is not the owner) a Kilmartin/'s sagittal plane first ray ranger would it correctly be referred to as Dieter Kilmartin SR, Dieter's Kilmartin's SR, Dieter's Kilmartin SR or Dieter Kilmartin's SR.

    Of course possibly the principle should only apply to medical conditions? Ehh why?

    Had the Canadian National Institute for Health nothing better to do in 1975 than create this potential east west divide.

    Bill
     
  3. Re: Kilmartin Sagittal 1st ray Ranger

    What exactly is it?
     
  4. Dieter Fellner

    Dieter Fellner Well-Known Member

    Re: Kilmartin Sagittal 1st ray Ranger

    Kevin,

    The KSR is a device he had designed for his PhD work to measure the 1st ray excursion range. It was, for a while, commercially available but the English company, Nova, no longer exists.

    Dieter
     
  5. Re: Kilmartin Sagittal 1st ray Ranger

    Do you have a photo or drawing of it?
     
  6. Dieter Fellner

    Dieter Fellner Well-Known Member

    Re: Kilmartin Sagittal 1st ray Ranger

    Kevin,

    I don't. When the item was available I procrastinated, for the longest time, never bought it. Essentially, it had two metal blocks with a sliding scale in mm to capture measurements. One stationary block for the lateral rays, one moveable block for the first. There is a Klaue device but this is very cumbersome and not practical.

    Dieter
     
  7. Craig Payne

    Craig Payne Moderator

    Articles:
    6
    Re: Kilmartin Sagittal 1st ray Ranger

    called the "Sagittal Raynger"

    There is a picture on pg 258 of Merrimans assessment of the foot; 3rd edition
     
  8. Craig Payne

    Craig Payne Moderator

    Articles:
    6
    Re: Kilmartin Sagittal 1st ray Ranger

    Are are two pics from Tims PhD thesis:
     

    Attached Files:

  9. Griff

    Griff Moderator

    Re: Kilmartin Sagittal 1st ray Ranger

    Hi Kevin

    I have one of these - I used it for my undergraduate thesis a few moons ago. I'll dig it out and upload some photos (it's different to the one Craig posted above - maybe the mark 2 that I have?)

    EDIT: photo added (off hard drive direct from my dissertation)

    IG
     

    Attached Files:

  10. Re: Kilmartin Sagittal 1st ray Ranger

    The problem with any of these devices is that the measurements will change with varying plantar loading force on the first metatarsal head and will also be different with different loading forces on the whole plantar forefoot and/or loading force on the lateral column vs the medial column. It would be much better for scientific study to have a device that is used in a weightbearing setting to test the stiffness of the first ray (i.e. load vs deformation curve).
     
  11. Griff

    Griff Moderator

    Re: Kilmartin Sagittal 1st ray Ranger

    Completely agree. I used this last in 2003 (I'm not sure I knew what reliability was then!)
     
  12. Re: Kilmartin Sagittal 1st ray Ranger

    I have this prototype one..... Somewhere. Tim had someone chop up a forefoot varus measuring device to make this, he passed it on to me and I used it for my PhD.

    If memory serves, there was another study which measured first ray motion using, in my opinion, a better apparatus. Might have been this: http://www.ncbi.nlm.nih.gov/pubmed/11249233 They standardised the loading, and measured displacement. Might want to think about the influence of metatarsal length though.

    Or this:
    Klaue K, Hansen ST, Masquelet AC: Clinical, quantitative assessment of first tarsometatarsal mobility in the sagittal plane and its relation to hallux deformity.
    Foot Ankle Int 1994, 15:9-13.
     
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