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Development of Walking Pattern Evaluation System for Hypogravity Simulation
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Author(s): R. Leães (Pontifical Catholic University, Brazil), R. Cambraia (Pontifical Catholic University, Brazil), F. Bacim (Pontifical Catholic University, Brazil), G. Dalmarco (Pontifical Catholic University, Brazil), A. Calder (University of Glasgow, Scotland), D. F.G. De Azevedo (Pontifical Catholic University, Brazil), M. Pinho (Pontifical Catholic University, Brazil)and T. Russomano (Pontifical Catholic University, Brazil)
Copyright: 2008
Pages: 6
Source title:
Encyclopedia of Healthcare Information Systems
Source Author(s)/Editor(s): Nilmini Wickramasinghe (Illinois Institute of Technology, USA)and Eliezer Geisler (Illinois Institute of Technology, USA)
DOI: 10.4018/978-1-59904-889-5.ch056
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Abstract
There are three primary techniques for simulating partial gravity: water immersion (neutral buoyancy), parabolic flight, and body suspension device (BSD) models. Underwater Immersion. During tests, a neutrally buoyant subject is ballasted to simulate the desired partial gravity loading. For example, one-sixth of the subject’s body mass is added in ballast if a lunar simulation is desired. Water immersion offers the subject freedom from time constraints and freedom of movement, but the hydrodynamic drag is disadvantageous for movement studies.
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