NDLI: Development of an instrumented walker for measurement of unilateral hand loads

Content Provider	IEEE Xplore Digital Library
Author	Bachschmidt, R.A. Harris, G.F. Simoneau, G.G.
Copyright Year	1996
Description	Author affiliation: Dept. of Biomed. Eng., Marquette Univ., Milwaukee, WI, USA (Bachschmidt, R.A.; Harris, G.F.)
Abstract	The purpose of this study was to design and develop an instrumentation configuration suitable for determining upper extremity forces during walker-assisted gait. To accomplish these goals a finite element model of a conventional aluminum tube walker was constructed and the structural cross-talk in frame members was fully described for orthogonal loading conditions. Results from the study were used to locate strain gage sensors on the structure such that independent measurements of unilateral hand loads could be determined. The instrumentation configuration is presented along with calibration data illustrating system output. Complete description of upper extremity kinetics during walker-assisted gait may provide insight into rehabilitative treatment strategies. Characterization of the demands placed upon the upper extremities and assessment of patient stability may influence walker design parameters (height, width, weight) and recommended procedures for use (foot placement, hand location, motion sequence, and feedback loading control).
Starting Page	53
Ending Page	55
File Size	250788
Page Count	3
File Format	PDF
ISBN	0780331311
DOI	10.1109/SBEC.1996.493111
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-03-29
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Instruments Extremities Strain measurement Finite element methods Aluminum Capacitive sensors Sensor phenomena and characterization Calibration Kinetic theory Stability
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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