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Foam casting, 3 point pressure video

Discussion in 'Biomechanics, Sports and Foot orthoses' started by Robertisaacs, Oct 21, 2010.


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    By request.

    As always, I'm not saying this is the RIGHT way, its just the way I do it.



     
    Last edited by a moderator: Sep 22, 2016
  2. One or twelve questions, Robert. But I'll leave them for now, we can talk on the plane.:pigs:
     
  3. Yeah, I thought there might be...

    I warn you now Simon, My brain does not operate well at best and is distinctly sub optimal at 615 AM!!!
     
  4. RobinP

    RobinP Well-Known Member

    Thanks Robert

    Just out of interest, how much arch infill did you add and what was the device spec(sort of ties in with the arch infill thread?)

    Robin
     
  5. This cast was not destined for an orthotic, so can't really say. I was emphasising the practicality of dorsiflexing the FIFTH met and plantarflexing the first because originally this video was a response to Jeff's query as to whether it was possible to dorsiflex the 5th met when casting in foam.

    If I were to be treating this patient it would depend a great deal on what materials I was using and what I was treating her FOR. My favourite is something called Therrox which is much more forgiving of medial wrap than polyprop so I would not need a great deal of medial expansion with that. Or, If I was using poly, I'd expand the medial arch in the foam. So far as arch FILL is concerned, it would depend on things like supination resistance, axial location and what I was trying to acheive. Either way, I'd get the level I want from the amount of plantarflexion in the 1st met and expand medially rather than go for 100% plantarflexion and then fill the arch afterward.
     
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