Document Detail

Effects of exercise equipment on the microgravity environment.
MedLine Citation:
PMID:  11542665     Owner:  NASA     Status:  MEDLINE    
Numerous types of exercise equipment have flown on manned space flights to evaluate and maintain crew members' physical condition while on orbit. Vibrations associated with the use of some exercise equipment cause concern among microgravity scientists who are usually looking for a quiescent environment in which to run their experiments. We discuss the impact of aerobic (bicycle ergometer, treadmill) and non-aerobic (resistance devices) exercise on the microgravity environment of the Space Shuttle Orbiters and the Mir Space Station. In general, characteristic vibration disturbances due to ergometer exercise show the pedalling frequency at 2.5 to 3 Hz and the crew members' body rocking side-to-side at about half the pedalling frequency. For treadmill exercise, the footfall frequency on the treadmill platform can be clearly seen in the 1 to 2 Hz range, along with upper harmonics. The use of resistance exercise devices does not typically cause vibrations. Several vibration isolation systems used on the Orbiters and planned for the International Space Station are introduced. Finally, the responses of specific experiments to exercise vibrations are outlined.
M J Rogers; K Hrovat; M E Moskowitz
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Advances in space research : the official journal of the Committee on Space Research (COSPAR)     Volume:  24     ISSN:  0273-1177     ISO Abbreviation:  Adv Space Res     Publication Date:  1999  
Date Detail:
Created Date:  2000-09-24     Completed Date:  2000-09-24     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  9878935     Medline TA:  Adv Space Res     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  1283-7     Citation Subset:  S    
NCMR, USRA, NASA Lewis Research Center, Cleveland, OH 44135, USA.
Space Flight Mission:
Flight Experiment; STS Shuttle Project; manned; short duration
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MeSH Terms
Electromagnetic Phenomena
Equipment Design
Ergometry / instrumentation*
Exercise Therapy / instrumentation*
Space Flight / instrumentation*
Spacecraft / instrumentation

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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