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'Mobility' Shoes for Knee Osteoarthritis

Discussion in 'General Issues and Discussion Forum' started by NewsBot, Nov 9, 2010.

  1. NewsBot

    NewsBot The Admin that posts the news.

    Articles:
    1

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    Press Release
    FOOT FASHION COULD EASE ARTHRITIC KNEES
     
  2. Whats a mobility shoe ?

    How can you allow natural foot mobility and provide sufficient support at the same time ?
     
  3. NewsBot

    NewsBot The Admin that posts the news.

    Articles:
    1
    Here is the abstract from the ACR Conference:
    Gait Adaptation after 6 Months of Specialized Shoes in Knee Osteoarthritis.
    Najia Shakoor, MD, Roy H. Lidtke, DPM, Markus A Wimmer, PhD, Kharma C Foucher, MD, PhD, Rachel A Mikolaitis, MS, Louis F Fogg, PhD, Alan J Shoelson, DPM, Joel A Block, MD
     
    Last edited by a moderator: Nov 11, 2010
  4. Admin2

    Admin2 Administrator Staff Member

  5. Roy Lidtke

    Roy Lidtke Welcome New Poster

    I designed the mobility shoe so that the outsole could shift slightly (hence the term mobility) thereby altering the ground reaction force vector and creating a less efficient lever arm for each rotational segment of the lower extremity. The outsole shape was based on the location of the ground reaction force vector and the instantaneous center of rotation for each of the key joint segments for each part of the gait cycle. Using a technique similar to the transverse plane projections of each superior rotational axis, a unique outsole pattern emerged that produced the desired mobility. The upper was also designed to not inhibit motion.
     
  6. Hi Roy:

    Welcome to Podiatry Arena.:welcome:

    Could you provide us with a photo or schematic for your "mobility shoe"? Sounds very interesting.
     
  7. efuller

    efuller MVP

    Roy,
    Welcome.

    That is some pretty big claim. I can see how you can shift the center of pressure with an outersole, but making it better for each segment? Won't there be some segments where it will be worse, while others are made better? For example, if you have medial compartment of the knee OA and sinus tarsi syndrome. You can reduce frontal plane knee adduction moment with a lateral shift in the location of the center of pressure. However, this lateral shift will increase pronation moment from the ground that could increase pain in the sinus tarsi.

    Again, Welcome to the arena.

    Eric
     
  8. Roy Lidtke

    Roy Lidtke Welcome New Poster

    Kevin

    I have been emailing the University legal department most of the day and so far they have not told me I can post the diagram. Since the research was done at Rush University they own the rights to the intellectual property. I will post as soon as I get the OK.
     
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