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    Foot Ankle Int. 2000 Mar;21(3):216-20.

    Subtalar pronation--relationship to the medial longitudinal arch loading in the normal foot.

    Source

    Lehigh Valley Hospital, Allentown, Pennsylvania 18103, USA.

    Erratum in

    • Foot Ankle Int 2000 Jul;21(7):545.

    Abstract

    A three-dimensional biomechanical model was used to calculate the mechanical response of the foot to a load of 683 Newtons with the subtalar joint in the neutral position, at five degrees of pronation, and at five degrees of supination. Pronation causes the forefoot to evert, increasing the load borne by the first metatarsal. This results in a 47% increase in the moment about the talonavicular joint and a 58% increase in the moment about the navicular-medial cuneiform joint. Subtalar joint supination causes the forefoot to invert and results in a 55% increase in the moment about the calcaneal-cuboid joint.

    PMID:
    10739152
    [PubMed - indexed for MEDLINE]

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