| A microprocessor-based data-acquisition system for measuring plantar pressures from ambulatory subjects. | |
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MedLine Citation:
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PMID: 1879865 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We have developed a portable microprocessor-based data-acquisition system to measure discrete plantar pressures within the shoe from ambulatory subjects. The system offers improved accuracy, repeatability, portability, and flexibility not available in current commercial systems. It consists of 14 conductive polymer pressure sensors, 14 analog amplifiers, an 8-bit analog-to-digital converter, a microprocessor, 120 kbytes of memory space, and a parallel I/O interface. Seven pressure sensors are embedded within each insole and located at the posterior heel, anterior heel, the four metatarsal heads, and hallux of each foot. The system is capable of continuously sampling 14 channels of pressure data for 7 min at a 20-Hz sample rate. The recorded data are downloaded into a microcomputer for further processing, analysis, and display. Foot pressures have been acquired from a sensate subject during multiple walking trials. |
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Authors:
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H S Zhu; G F Harris; J J Wertsch; W J Tompkins; J G Webster |
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Publication Detail:
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Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S. |
Journal Detail:
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Title: IEEE transactions on bio-medical engineering Volume: 38 ISSN: 0018-9294 ISO Abbreviation: IEEE Trans Biomed Eng Publication Date: 1991 Jul |
Date Detail:
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Created Date: 1991-10-03 Completed Date: 1991-10-03 Revised Date: 2009-11-11 |
Medline Journal Info:
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Nlm Unique ID: 0012737 Medline TA: IEEE Trans Biomed Eng Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 710-4 Citation Subset: IM |
Affiliation:
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Rehabilitation Medicine Service, VA Medical Center, Milwaukee, MI 53295. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Diagnosis, Computer-Assisted* Foot Diseases / diagnosis* Humans Male Microcomputers* Monitoring, Physiologic Pressure Reference Values |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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