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The effects of arm swing amplitude and lower-limb asymmetry on gait stability

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  • Allen Hill
  • Julie Nantel

Abstract

Changes to arm swing and gait symmetry are symptomatic of several pathological gaits associated with reduced stability. The purpose of this study was to examine the relative contributions of arm swing and gait symmetry towards gait stability. We theorized that actively increasing arm swing would increase gait stability, while asymmetric walking would decrease gait stability. Fifteen healthy, young adults (23.4 ± 2.8 yrs) walked on a split-belt treadmill under symmetric (1.2 m/s) and asymmetric walking (left/right, 5:4 speed ratio) with three different arm swings: held, normal, and active. Trunk local dynamic stability, inter-limb coordination, and spatiotemporal gait variability and symmetry were measured. Active arm swing resulted in improved local trunk stability, increased gait variability, and decreased inter-limb coordination (p

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  • Allen Hill & Julie Nantel, 2019. "The effects of arm swing amplitude and lower-limb asymmetry on gait stability," PLOS ONE, Public Library of Science, vol. 14(12), pages 1-14, December.
    • Handle: RePEc:plo:pone00:0218644
    DOI: 10.1371/journal.pone.0218644
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