Hip joint contact forces increase in response to greater body-borne loads and faster walking speeds

Gavin K. Lenton, Tim L. A. Doyle, David G. Lloyd, Claudio Pizzolato, David J. Saxby

    Research output: Contribution to conferenceAbstractpeer-review

    Abstract

    Soldiers perform physically demanding tasks that predispose them to elevated risk of musculoskeletal injury (MSKI). Understanding joint loading during commonly performed tasks, e.g., load carriage, may improve MSKI prevention efforts, yet current research is limited. Using EMG-informed neuromusculoskeletal (NMSK) models, we analyzed hip contact forces (HCF) from 20 soldier participants as they carried two different loads and walked at two different speeds. Increases in HCF were observed from both increases in carried load and walking speed, with HCF magnitudes approaching values observed during running. Importantly, muscles accounted for >50% of the total HCF and this contribution remained consistent with increasing task demands. Thus, our results suggest the effectiveness of injury prevention strategies should be analyzed using NMSK modeling approaches that incorporate estimates of muscle forces.
    Original languageEnglish
    Pages1047
    Number of pages1
    Publication statusPublished - 31 Jul 2019
    EventXXVII Congress of the International Society of Biomechanics - Calgary, Canada
    Duration: 31 Jul 20194 Aug 2019
    Conference number: XXVII
    https://www.isb2019.com/

    Conference

    ConferenceXXVII Congress of the International Society of Biomechanics
    Abbreviated titleISB/ASB 2019
    Country/TerritoryCanada
    CityCalgary
    Period31/07/194/08/19
    Internet address

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