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Design of a horizontally dynamic armrest for joystick controlled mobile equipment

Design of a horizontally dynamic armrest for joystick controlled mobile equipment BACKGROUND:Joystick operators often experience constant low level muscle loading in the upper limb when using joysticks, which can lead to repetitive strain injuries. It has been hypothesized that the strain on the muscles may be reduced by supporting the arm during joystick manipulation.OBJECTIVE:To design a horizontally dynamic armrest which appropriately supports the motion of the forearm during side-to-side joystick movements.METHODS:The paper describes the process used to design a dynamic armrest which appropriately supports an operator’s arm throughout the range of side-to-side joystick movements.RESULTS:The trajectory of the elbow and wrist during these joystick movements was determined, and a new horizontally dynamic armrest designed and built.CONCLUSIONS:Most heavy mobile equipment seat armrests fail to provide appropriate support throughout the range of joystick motion resulting in constant upper body muscle loading. Our paper describes the development of a dynamic armrest which is designed to provide appropriate support throughout side-to-side joystick movements. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Occupational Ergonomics IOS Press

Design of a horizontally dynamic armrest for joystick controlled mobile equipment

Boucher, Danielle R.; Oliver, Michele L.
Occupational Ergonomics , Volume 13 (S1): 9 – Jan 1, 2018
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References (20)

Publisher
IOS Press
Copyright
Copyright © 2017 © 2017 – IOS Press and the authors. All rights reserved
ISSN
1359-9364
eISSN
1875-9092
DOI
10.3233/OER-170258
Publisher site
See Article on Publisher Site

Abstract

BACKGROUND:Joystick operators often experience constant low level muscle loading in the upper limb when using joysticks, which can lead to repetitive strain injuries. It has been hypothesized that the strain on the muscles may be reduced by supporting the arm during joystick manipulation.OBJECTIVE:To design a horizontally dynamic armrest which appropriately supports the motion of the forearm during side-to-side joystick movements.METHODS:The paper describes the process used to design a dynamic armrest which appropriately supports an operator’s arm throughout the range of side-to-side joystick movements.RESULTS:The trajectory of the elbow and wrist during these joystick movements was determined, and a new horizontally dynamic armrest designed and built.CONCLUSIONS:Most heavy mobile equipment seat armrests fail to provide appropriate support throughout the range of joystick motion resulting in constant upper body muscle loading. Our paper describes the development of a dynamic armrest which is designed to provide appropriate support throughout side-to-side joystick movements.

Journal

Occupational Ergonomics – IOS Press

Published: Jan 1, 2018

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