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Lateral wedging for fully compensated rearfoot varus

Discussion in 'General Issues and Discussion Forum' started by dingo, May 12, 2007.

  1. dingo

    dingo Member


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    I have a question that has been confusing me for some time and was hoping that i could call on the expertise of all those out there with years of experience to help clarify my thinking and clear up my confusion.
    What I was thinking of was the use of rearfoot posting in the treatment of functional hallux limitus.The purpose of this as I believe is to reduce the extent of excursion of the subtalar joint thereby preventing late stage pronation, dorsiflexion of the 1st ray and jamming of the 1st mtpt and positioning the joints of the foot as close as possible to the neutral position at midstance.
    My question is therefore, if it is the degree of excursion occuring at the stj with fully compensated rearfoot varus that results in late stage pronation and functional hallux limitus, would it be possible to reduce the degree of excursion by posting the lateral rearfoot. would this reduction in frontal plane motion by the use of a lateral heel posting have the same effect as posting the medial aspect of the heel or would this just cause the foot to pronate too rapidly and also prevent adequate supination in late midstance to allow the mid tarsal joint to lock and enable the foot to become a ridgid lever at propulsion and still therefore cause the foot to pronate into late midstance.
     
  2. DaVinci

    DaVinci Well-Known Member

    Lateral wedging will make it worse.
     
  3. Scorpio622

    Scorpio622 Active Member


    In this case I would consider medially posting the rearfoot, and either laterally posting the forefoot or adding a reverse mortons extension.
     
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