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Intrinsic or extrinsic wedging of an orthotic

Posting is achieved by adding a wedge to the inside or outside border of a foot orthotic to create a different alignment of the foot and ankle. Intrinsic posting is a material that is wedged at an angle and placed on top of the orthotic. Extrinsic wedging is a block of wedge material that is added externally, under the orthotic.

Intrinsic wedging must have a firm and tight fit with the foot. If the foot does not contact the orthotic well enough, the desired alignment of the foot and ankle will be lost. The base shell of the orthotic must be a perfect fit and best made from a cast of the foot.

Extrinsic posting is highly effective as even with a loose fit on an orthotic base shell, extrinsic posting will have a greater impact on the foot and ankle. A combination of both intrinsic and extrinsic posting would be ideal in cases where perfect realignment is being sought.


6 comments

  • Ryan _ m

    April 9, 2018 at 7:59 pm

    What are these orthotics made of?

    Reply

    • Dubai Podiatry Centre

      April 10, 2018 at 11:58 am

      Hello Ryan orthotics will be mainly made out of Polycarbonate shell which is a very durable material with high impact-resistance and High Density EVA. Hope this helps.

      Reply

  • Costa

    April 12, 2018 at 11:01 am

    I think I need something for my feet but I do not know which one to choose! How do I know? Thanks pls reply

    Reply

    • Dubai Podiatry Centre

      April 12, 2018 at 1:06 pm

      Dear Costa, Don’t worry, you do not have to choose which type you need. The Podiatrist will assess your feet and tell you which one you require and explain the difference etc. Best wishes, DPC

      Reply

  • Jake

    April 13, 2018 at 11:19 pm

    I think I need a new pair of orthotics as I’ve had the same pair for almost 10 years. Should I come and check them? Cheers. Jake

    Reply

    • Dubai Podiatry Centre

      April 15, 2018 at 2:30 pm

      Dear Jake, Yes it would be a great idea to come and check your orthotics. Please bring shorts with you for your appointment. Please call for an appointment or book online to see Podiatrist Michelle Champlin for a detailed assessment and treatment plan. Best wishes, Dubai Podiatry Centre

      Reply

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