NASA Technical Reports Server NTRS 20140007415: An Ergonomic Evaluation of the Extravehicular Mobility Unit EMU Space Suit Hard Upper Torso HUT Size Effect on Metabolic, Mobility, and Strength PerformanceReportar como inadecuado



 NASA Technical Reports Server NTRS 20140007415: An Ergonomic Evaluation of the Extravehicular Mobility Unit EMU Space Suit Hard Upper Torso HUT Size Effect on Metabolic, Mobility, and Strength Performance


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The objective of this project was to assess the performance differences between a nominally sized Extravehicular Mobility Unit EMU space suit and a nominal +1 plus sized EMU. Method: This study evaluated suit size conditions by using metabolic cost, arm mobility, and arm strength as performance metrics. Results: Differences between the suit sizes were found only in shoulder extension strength being 15.8% greater for the plus size. Discussion: While this study was able to identify motions and activities that were considered to be practically or statistically different, it does not signify that use of a plus sized suit should be prohibited. Further testing would be required that either pertained to a particular mission critical task or better simulates a microgravity environment that the EMU suit was designed to work in.



Autor: NASA Technical Reports Server (NTRS)

Fuente: https://archive.org/







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