Validation of a DXA-based method for obtaining inertia tensors: "when pigs fly"

Marcel M. Rossi, Cyril J. Donnelly, Amar El-Sallam , J. Dowling, J.A. Reinbolt, Jacqueline Alderson

    Research output: Chapter in Book/Conference paperConference paper

    Abstract

    This paper examines the accuracy of body segment inertia tensors estimated by combining information from dual-energy X-ray absorptiometry and a three-dimensional modelling technique proposed by Zatsiorsky et al. (1 990) (DXAIVol method). The inertia tensor of a frozen pig cadaver was estimated using the novel DXAlVol method and traditional compound pendulum techniques. The pig cadaver was projected through the air and the experimental 'ground truth kinematics' were recorded. Simulated kinematics of the pig cadaver flight were generated using the inertia tensor derived from the DXAlVol and compound pendulum methods and compared to the ground truth kinematics. Simulations based on the novel D W o l method's inertia tensor traded the experimentally recorded flight of the frozen pig cadaver with superior accuracy.
    Original languageEnglish
    Title of host publicationISBS Conference Proceedings: 34th International Conference on Biomechanics in Sports
    EditorsMichiyoshi Ae, Yasushi Enomoto, Norihisa Fujii, Hideki Takagi
    PublisherInternational Society of Biomechanics in Sports
    Pages93-96
    ISBN (Print)1999-4168
    Publication statusPublished - 2016
    Event34 International Conference of Biomechanics in Sport (2016) - Tsukuba, Japan
    Duration: 18 Jul 201622 Jul 2016

    Conference

    Conference34 International Conference of Biomechanics in Sport (2016)
    CountryJapan
    CityTsukuba
    Period18/07/1622/07/16

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