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Gaze and the Control of Foot Placement When Walking in Natural Terrain

Matthis, Jonathan Samir, Yates, Jacob L., Hayhoe, Mary M.·2018·Current Biology
DOI 10.1016/j.cub.2018.03.008PMC PMC5937949
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  • Only Matthis et al. (2018) and Kowalsky et al. (2021) have used IMUs to record walking on complex natural terrains outdoors, and neither report joint kinematics in their study.

    “To our knowledge, only Matthis et al. (2018) and Kowalsky et al. (2021) have used IMUs to record walking on complex natural terrains outdoors, and neither report joint kinematics in their study.”

    From Forest terrains influence walking kinematics among indigenous Tsimane of the Bolivian Amazon (2022) · cites this paper as Matthis et al., 2018

    The Results and STAR Methods (METHOD DETAILS; page numbers unavailable) confirm that Matthis et al. used IMUs to record walking on rocky outdoor terrain. The passages describe analyses of gaze and foot placement rather than reporting joint kinematics. This paper cannot establish that only it and Kowalsky et al. used IMUs in such settings, or what Kowalsky et al. reported. (LLM, conf=0.83)

    Experimental — accuracy not yet measured

  • Recent studies of walking on rocky terrains found individuals significantly reduced their step lengths to achieve more stable foot placement compared with walking on flat, even surfaces, which more than doubled their walking costs.

    “Several recent studies of walking on rocky terrains found the individuals significantly reduced their step lengths to achieve more stable foot placement when compared with walking on flat, even surfaces (Gast, Kram, & Riemer, 2019; Matthis et al., 2018), which more than doubled their walking costs (Gast et al., 2019)”

    From Forest terrains influence walking kinematics among indigenous Tsimane of the Bolivian Amazon (2022) · cites this paper as Matthis et al., 2018

  • Natural terrains such as rocky ground, savannah brushland and forest floors are characterised by uneven textures, three-dimensional impediments and varying firmness that could cause individuals to alter their standard kinematics to maintain balance and/or avoid stepping on hazardous objects.

    “The surfaces of many natural terrains, such as rocky ground, savannah brushland and forest floors, are characterised by uneven textures, three-dimensional impediments (e.g. rocks, roots, vegetation) and varying firmness that could cause individuals to alter their ‘standard’ kinematics to maintain balance and/or avoid stepping on hazardous objects (Matthis, Yates, & Hayhoe, 2018; Venkataraman et al”

    From Forest terrains influence walking kinematics among indigenous Tsimane of the Bolivian Amazon (2022) · cites this paper as Matthis et al., 2018

  • Matthis et al. (2018) found that, when walking on rocky terrain, people maintain their gaze on the ground in front of them roughly 95% of the time to plan foot placement two to three steps ahead of the current one.

    “Matthis et al. (2018) found that, when walking on rocky terrain, people maintain their gaze on the ground in front of them roughly 95% of the time to plan foot placement two to three steps ahead of the current one.”

    From Forest terrains influence walking kinematics among indigenous Tsimane of the Bolivian Amazon (2022) · cites this paper as Matthis et al., 2018

  • Matthis et al. (2018) observed shorter steps on average but greater step length variability in people walking on rocky terrain compared with even terrain.

    “This scenario would be consistent with the findings of Matthis et al. (2018), who observed shorter steps on average but greater step length variability in people walking on rocky terrain compared with even terrain.”

    From Forest terrains influence walking kinematics among indigenous Tsimane of the Bolivian Amazon (2022) · cites this paper as Matthis et al., 2018

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Citations

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Metadata

Authors
Matthis, J. S., Yates, J. L., & Hayhoe, M. M.
Venue
Current Biology
Publisher
Elsevier BV
Published
2018-04
Volume
28
Issue
8
Pages
1224-1233.e5
ISSN
0960-9822
DOI
10.1016/j.cub.2018.03.008
PMC
PMC5937949
Cited by
424
References
3
Language
en
Licence
Funders
NIH (1T32-EY021462, R01-EY05729)

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