Cited by 6Space Exploration and TechnologySpaceflight effects on biologyBalance, Gait, and Falls Prevention

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Enhanced Simulation of Partial Gravity for Extravehicular Activity

Open access
Chappell, Steven P, Klaus, David M·2013·Journal of Human Performance in Extreme Environments

Abstract

Prior studies of human locomotion under simulated partial gravity have hypothesized that energy expenditure is increased in lunar gravity, as compared to that of Mars. This may be due to subjects having to expend excess energy for stability and posture control in the lower gravitational field. The physiological cause of this suspected ‘‘wasted energy’’ during locomotion in low gravity remains to be determined. This paper outlines factors to be considered for these analyses and enhancements to the simulation method that will enable assessment of inertial stability and associated metabolic cost. A novel simulation technique is proposed for assessing the effects of inertial rotation and variable mass on stability, metabolic cost, and biomechanics using a modified weight relief harness to simulate partial gravity. Peer review of this article was completed in 2005, but the print version was not published on its original schedule. This article represents the first publication of the work originally submitted to JHPEE.

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Crossref · 10.7771/2327-2937.1052

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2 of 2 references verified0 citation errors · 0 not checkable

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  • In agreement with Chappell and Klaus (2013), the vertical body weight support system was only used to investigate metabolic or respiratory changes but not for cardiovascular properties.

    “In agreement with the rating performed by Chappell and Klaus (2013) the vertical body weight support system was only used to investigate metabolic or respiratory changes but not for cardiovascular properties.”

    From Human Biomechanical and Cardiopulmonary Responses to Partial Gravity – A Systematic Review (2017) · cites this paper as Chappell and Klaus, 2013

    In “Harness suspension systems” (page unavailable), the paper says ordinary vertical suspension cannot reproduce physiological changes such as fluid distribution, while its proposed enhanced harness is intended to assess metabolic cost. It does not say vertical suspension was used only for metabolic or respiratory investigation: it also identifies structural loading and inertial effects as subjects of study, and describes a variation that simulates fluid shifts affecting cardiovascular measures. (LLM, conf=0.84)

    Experimental — accuracy not yet measured

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Citations

Cites

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Research works printed but not linked: 24

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Metadata

Authors
Chappell, S. P., & Klaus, D. M.
Affiliations
University of Colorado Boulder (US)
Corresponding author
Chappell, Steven P
Venue
Journal of Human Performance in Extreme Environments
Published
2013-07-16
Volume
10
Issue
2
ISSN
  • 1529-5168 (ISSN-L)
  • 2327-2937
OpenAlex
W1969173642
Cited by
6
References
2
Citations by year
2026: 1 · 2023: 1 · 2022: 1 · 2017: 1 · 2016: 1 · 2015: 1
FWCI
1.07
Type
journal article
Language
en
Open access
Locations
  • Human performance in extreme environments (publishedVersion)
  • Purdue e-Pubs (Purdue University System) (submittedVersion)
Topics
  • Physical Sciences › Engineering › Aerospace Engineering › Space Exploration and Technology
  • Health Sciences › Medicine › Physiology (medical) › Spaceflight effects on biology
  • Health Sciences › Health Professions › Physical Therapy, Sports Therapy and Rehabilitation › Balance, Gait, and Falls Prevention
Keywords
extravehicular activity, lunar gravity, Mars gravity field, human locomotion, energy expenditure, metabolic cost, inertial stability, postural control, variable mass, biomechanics

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