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Monitoring the use of chair backrest and forearm support during computer work with and without a workplace Butterfly board attachment

In this thesis, a new method is proposed for monitoring the use of backrest and forearm support during computer work on a standard workstation and the same workstation with a Butterfly board attachment. The developed techniques measure the effect of using the Butterfly board on the resting duration and the pressure on the back and forearms while resting. Novel™ pressure sensor mats were used to measure pressure applied by resting against the chair back rest and the arm rests. To ensure that the back mat is not moving, a new technique of mapping the back points of contact with the backrest is used. A video camera, synchronized with the pressure measurement system, is used to identify the location where the forearms were resting (work surface or chair arm rests). / Thesis (Master, Mechanical and Materials Engineering) -- Queen's University, 2009-05-14 17:02:19.36
Date19 May 2009
ContributorsQueen's University (Kingston, Ont.). Theses (Queen's University (Kingston, Ont.))
Source SetsLibrary and Archives Canada ETDs Repository / Centre d'archives des thèses électroniques de Bibliothèque et Archives Canada
LanguageEnglish, English
Detected LanguageEnglish
Format30388367 bytes, application/pdf
RightsThis publication is made available by the authority of the copyright owner solely for the purpose of private study and research and may not be copied or reproduced except as permitted by the copyright laws without written authority from the copyright owner.
RelationCanadian theses

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