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Jigs and machines

Discussion in 'Biomechanics, Sports and Foot orthoses' started by RobinP, Oct 14, 2010.

  1. RobinP

    RobinP Well-Known Member

    Members do not see these Ads. Sign Up.
    I want to makes jigs /machines for measuring the following

    • Supination Resistance
    • Dorsiflexion Stiffness of the hallux
    • Lunge Test
    • Navicular Drift and Drop

    I am well aware that these tests are all most simply done by using my own two hands or by giving instructions to the patient. However, like showing a patient video footage of their walking and measuring meaningless angles, I would like to be able to quantify these tests in a slightly more objective way for the benefit of the patient to show them that greater forces are required.

    I know Craig has a supination resistance test "machine" but I wondered if anyone had made some small, simple jigs to do these tests. As an example, some type of pulley system that could have a loop around the hallux and have a set of weights attached to the other end. The weight itself would be irrelevant, but being able to make a comparison from one limb to the other would be handy and demonstrating the effect on hallux dorsiflexion stiffness of using something which allows more normal Windlass function.

    Be interested to hear if anyone has done anything. I remember reading something about using a pressure sensor under the heel to give the Lunge test greater accuracy. I know there are a few budding carpenters out there (SALRE model builders) so I am hoping for some great suggestions.


    Last edited: Oct 14, 2010
  2. I have a machine that will measure all the above except the Lunge test.
  3. RobinP

    RobinP Well-Known Member

    Is it your hand perchance?
  4. Nope. It's a jig I developed which incorporates a force gauge. I can plot the data directly to my computer. Griffith's had a different one made to measure supination resistance for his MSc project- he might even get around to publishing it one day. Right- Ian?:rolleyes:
  5. RobinP

    RobinP Well-Known Member

    Brilliant - Do you actually use it clinically? You wouldn't happen to have any pictures would you?

  6. Griff

    Griff Moderator

    I'm on it. Submission for publication this calendar year I promise.

    Robin - we can catch up at the Boot Camp in November over a beer and go through what a ball ache these machines can be if you like. Infact Spooner may even be there too?
  7. RobinP

    RobinP Well-Known Member

    Sounds good.
  8. Yep, got to book the hotel or sleep with you Ian- which hotel was it again?
  9. No and er, No!!!!
  10. Griff

    Griff Moderator

    Holiday Inn Heathrow.

    I'm sure there's a 'spooning' joke here but I'll leave it...
  11. RobinP

    RobinP Well-Known Member

    Of the machine I meant!
  12. Why should I give all of my ideas and inventions away for free?
  13. RobinP

    RobinP Well-Known Member

    I'll buy you a beer?
  14. You can buy me as many beers as you like, but you still won't get to see my designs.
  15. RobinP

    RobinP Well-Known Member

    OK, I'll just have to order my ACME KINETIC TEST JIG.

    Road Runner - No other cartoons like them


    This will satisfy Robert in the art of fail


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