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On-Orbit Evaluation of a New Treadmill Harness for Improved Crewmember Comfort and Load DistributionThe current design of the International Space Station (ISS) Treadmill Harness has been reported to cause pain and discomfort to crewmembers during exercise. The Harness Station Development Test Objective (SDTO) provided participating crewmembers (n = 6) with a new harness design, the "Glenn Harness," to evaluate for comfort and loading as compared to the current Treadmill Harness. A novel suite of load-sensing instrumentation was developed to noninvasively measure load distribution and provided a first-ever quantification of actual dynamic loads during treadmill exercise. In addition, crew debriefs provided feedback on harness preference and overall impressions. Conclusions: Post-flight analysis in returned Glenn Harnesses (n = 3) showed minimal wear and tear. Four of the six subjects found the Glenn Harness to be more comfortable in this on-orbit, side-by-side comparison as measured by the crew comfort questionnaire and crew debriefs. Specific areas for improvement have been identified, and forward recommendations will be provided to the Human Research Program. The protocol developed for the SDTO provided valuable insight into crew comfort issues, design improvements, and loading preferences for exercise harnessing, which lays the groundwork for better harnessing systems and training protocols.
Document ID
20110008757
Acquisition Source
Glenn Research Center
Document Type
Presentation
Authors
Perusek, G. P. (NASA Glenn Research Center Cleveland, OH, United States)
Sheehan, C. C. (ZIN Technologies, Inc. Brook Park, OH, United States)
Savina, M. C. (ZIN Technologies, Inc. Brook Park, OH, United States)
Owings, T. M. (Cleveland Clinic Cleveland, OH, United States)
Davis, B. L. (Austen BIoInnovation Inst. Akron, OH, United States)
Ryder, J. W. (Universities Space Research Association Cleveland, OH, United States)
Date Acquired
August 25, 2013
Publication Date
April 11, 2011
Subject Category
Man/System Technology And Life Support
Report/Patent Number
E-17858
E-17734
Meeting Information
Meeting: 18th IAA Humans in Space Symposium
Location: Houston, TX`
Country: United States
Start Date: April 11, 2011
End Date: April 15, 2011
Funding Number(s)
WBS: WBS 516724.02.02.03
Distribution Limits
Public
Copyright
Public Use Permitted.

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