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  1. Brent Jarrett DPM
    Post

    Theta Orthotics

    simon actually the medial flange is NOT included in my orthotics...once the point of max height or angle is reached my design levels off toward...
    Post by: Brent Jarrett DPM, Oct 12, 2010 in forum: Biomechanics, Sports and Foot orthoses
  2. Brent Jarrett DPM
    Post

    Theta Orthotics

    Incedently that is exactly what others have done including Dr MOrton throughout the patent literature.
    Post by: Brent Jarrett DPM, Oct 12, 2010 in forum: Biomechanics, Sports and Foot orthoses
  3. Brent Jarrett DPM
    Post

    Theta Orthotics

    Yes but it supinates the foot at a different part of the gait cycle than a traditional rearfoot wedge. I function during late midstance...
    Post by: Brent Jarrett DPM, Oct 12, 2010 in forum: Biomechanics, Sports and Foot orthoses
  4. Brent Jarrett DPM
    Post

    Theta Orthotics

    clearly the most significant understanding of my basic research...The lateral part of the curve concerns the lateral longitudinal arch, the most...
    Post by: Brent Jarrett DPM, Oct 12, 2010 in forum: Biomechanics, Sports and Foot orthoses
  5. Brent Jarrett DPM
    Post

    Theta Orthotics

    david...you funny...brent
    Post by: Brent Jarrett DPM, Oct 8, 2010 in forum: Biomechanics, Sports and Foot orthoses
  6. Brent Jarrett DPM
    Post

    Theta Orthotics

    It is a function of frontal plane geometry projected througoutht the entire sagital plane of the orthotic...but the frontal plane section...
    Post by: Brent Jarrett DPM, Oct 8, 2010 in forum: Biomechanics, Sports and Foot orthoses
  7. Brent Jarrett DPM
    Post

    Theta Orthotics

    ... thanks...I like that thought toto...
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  8. Brent Jarrett DPM
    Post

    Theta Orthotics

    when the geometry of the interface is changed so do the vectors of all the forces...correctly as you stated above...brent
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  9. Brent Jarrett DPM
    Post

    Theta Orthotics

    thank you...brent
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  10. Brent Jarrett DPM
    Post

    Theta Orthotics

    so who is craig, the man who kicks everyone off the site who has something to say that you don't agree with?
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  11. Brent Jarrett DPM
    Post

    Theta Orthotics

    right...what ever...
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  12. Brent Jarrett DPM
    Post

    Theta Orthotics

    mechanical design, gravity and energy...brent
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  13. Brent Jarrett DPM
    Post

    Theta Orthotics

    Ian, mostly the treatment is allways the same, reduce pronation throughout the gait cycle by the most effective method possible and symptoms...
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  14. Brent Jarrett DPM
    Post

    Theta Orthotics

    simon, that would be me, brent
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  15. Brent Jarrett DPM
    Post

    Theta Orthotics

    http://www.pcopco.com/html/how_do_orthotics_work.html
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  16. Brent Jarrett DPM
    Post

    Theta Orthotics

    I responded to that question go back and look...I am through here for the day...perhaps you should discontinue pretending your my advocate and...
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  17. Brent Jarrett DPM
    Post

    Theta Orthotics

    I have answered it you just don't understant it yet...I could care less what you think about me as a physician or otherwise...brent
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  18. Brent Jarrett DPM
    Post

    Theta Orthotics

    simon, to further clarify...the only judgement I made about you was that you were a jerk off, and looke funny with your hat and stach...the fool...
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  19. Brent Jarrett DPM
    Post

    Theta Orthotics

    simon I dont think I ever implied that you were a fool, that was your jugement of me yesterday. I must have read your question wrong...first...
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  20. Brent Jarrett DPM
    Post

    Theta Orthotics

    simon, this was the part that was most difficult for me to figue out and any attempt to relate orthotic design to function did not work until I...
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  21. Brent Jarrett DPM
    Post

    Theta Orthotics

    right but even the mold has to be quantified to begin with. but once done you know what it will be every time...I am sure most of you know about...
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  22. Brent Jarrett DPM
    Post

    Theta Orthotics

    again, please refer back to www.pcopco.com/orthotics.html It specifies that the rf angle of measurment is at the apex of the mla or just under...
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  23. Brent Jarrett DPM
    Post

    Theta Orthotics

    Ian, you will see a decrease in symptoms almost immediately with any rf, ff, or combination rf and ff correction. treatment is best achieved...
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  24. Brent Jarrett DPM
    Post

    Theta Orthotics

    Ian, sorry when I read your question last night (morning) I wanted to get to it because peroneal function is as significant as any other muscle...
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  25. Brent Jarrett DPM
    Post

    Theta Orthotics

    sorry that link is www.pcopco.com/orthotics.html
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  26. Brent Jarrett DPM
    Post

    Theta Orthotics

    Deb, The first time I submitted papers to Japma about 10 years ago, I was not as clear as I am today (right) and admitedly my papers were not...
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  27. Brent Jarrett DPM
    Post

    Theta Orthotics

    Simon, Not that I see you as enimies just, close minded bum bags, that only wanted to discredit my research. I am starting to see things a...
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  28. Brent Jarrett DPM
    Post

    Theta Orthotics

    Simon, taking in consideration your hat an moustache, you are beginning to impress me... the formula is tan (theta) times side adj. = side...
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  29. Brent Jarrett DPM
    Post

    Theta Orthotics

    Simon I appreciate your sincere effort to understand. It should be obvious that wedging under the first metatarsal has a direct supinatory...
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  30. Brent Jarrett DPM
    Post

    Theta Orthotics

    Simon, If you are refering to ED, you are right on target...he suggests that he mysically matches specific durometers of polypropelyne (type)...
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  31. Brent Jarrett DPM
    Post

    Theta Orthotics

    Simon, Best question yet...all functional orthoses change the angle of the support plane and therefore compensate for frontal plane angular...
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  32. Brent Jarrett DPM
    Post

    Theta Orthotics

    Simon, Thanks for your offer I may take you up on it at some time...I have attempted serveral times in this discussion to explain the...
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  33. Brent Jarrett DPM
    Post

    Theta Orthotics

    Before I realized the importance of the ff wedge, my original work that defined Theta, was done with Roadure orthotics only...brent
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  34. Brent Jarrett DPM
    Post

    Theta Orthotics

    your comments force me to remain engaged fatigued or not...It is not soft and not compressable, go back to www.pcopco.com.orthotics.html, I...
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  35. Brent Jarrett DPM
    Post

    Theta Orthotics

    The deformation is insignificant either way, I would be happy to provide you with a sample and you can perform all the functional tests you want....
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  36. Brent Jarrett DPM
    Post

    Theta Orthotics

    robert, Have to admit you guys have fatigued me, big balls or not...you will either have to figure out the rest on your own, or wait until I...
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  37. Brent Jarrett DPM
    Post

    Theta Orthotics

    Duval, a relationship between orthotic angulation and change in function can be observed of course, as it has been in every patent and clinical...
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  38. Brent Jarrett DPM
    Post

    Theta Orthotics

    I don't have that info available, but I can tell you that a 200 lb man will compress the device no more than 2-4 percent with a complete elastic...
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  39. Brent Jarrett DPM
    Post

    Theta Orthotics

    So read my work agan this time with an open mind...I know it is hard to believe that 2 simple frontal plane measurments relate directly to this...
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
  40. Brent Jarrett DPM
    Post

    Theta Orthotics

    Jeff Urethane Rubber...brent
    Post by: Brent Jarrett DPM, Oct 7, 2010 in forum: Biomechanics, Sports and Foot orthoses
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