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Contraction-Only Exercise MachineStandard knee-extension machine modified so subject experiences force only when lifting leg against stack of weights. Exerts little force on leg while being lowered. Hydraulic cylinder and reservoir mounted on frame of exercise machine. Fluid flows freely from cylinder to reservoir during contraction (lifting) but in constricted fashion from reservoir to cylinder during extension (lowering).
Document ID
19920000619
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Doerr, Donald F. (NASA John F. Kennedy Space Center, Cocoa Beach, FL.)
Maples, Arthur B. (NASA John F. Kennedy Space Center, Cocoa Beach, FL.)
Campbell, Craig M. (NASA John F. Kennedy Space Center, Cocoa Beach, FL.)
Date Acquired
August 15, 2013
Publication Date
October 1, 1992
Publication Information
Publication: NASA Tech Briefs
Volume: 16
Issue: 10
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
KSC-11513
Accession Number
92B10619
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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