Last updated on April 16, 2014 at 17:34 EDT
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June 7, 2011
Payload specialist Jay C. Buckey Jr. gathers data from astronaut Dafydd R. (Dave) Williams, a mission specialist representing the Canadian Space Agency (CSA). Developed by the German Space Agency (DARA), the Lower Body Negative Pressure (LBNP) device, in which Williams has the lower portion of his body, is used to provide data regarding the autonomic nervous system.