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  • Title: Foot kinematics and kinetics during adolescent gait.
    Author: MacWilliams BA, Cowley M, Nicholson DE.
    Journal: Gait Posture; 2003 Jun; 17(3):214-24. PubMed ID: 12770635.
    Abstract:
    Gait analysis models typically analyze the ankle joint complex and treat the foot as a rigid segment. Such models are inadequate for clinical decision making for patients with foot impairments. While previous multisegment foot models have been presented, no comprehensive kinematic and kinetic databases for normal gait exist. This study provides normative foot joint angles, moments and powers during adolescent gait. Eighteen subjects were evaluated using 19 retroreflective markers, six cameras, a pressure platform and a force plate. A nine-segment model determined 3D angles, 3D moments, and powers in eight joints or joint complexes. A complete sets of sagittal, coronal and frontal plane results are presented. Results indicate that single link models of the foot significantly overestimate ankle joint powers during gait. Understanding normal joint kinematics and kinetics during gait will provide a baseline for documenting impairments in patients with foot disorders.
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