The effects of psychosocial factors on trapezius muscle activity levels during computer use

Jennifer L. Bruno Garza; Belinda H.W. Eijckelhof; Maaike A. Huysmans; Peter W. Johnson; Jaap H. Van Dieen; Allard J. Van Der Beek; Jack T. Dennerlein

doi:10.1177/1071181312561244

The effects of psychosocial factors on trapezius muscle activity levels during computer use

Jennifer L. Bruno Garza^*, Belinda H.W. Eijckelhof, Maaike A. Huysmans, Peter W. Johnson, Jaap H. Van Dieen, Allard J. Van Der Beek, Jack T. Dennerlein

^*Corresponding author for this work

Public and occupational health

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

Abstract

The goal of the present study, a part of the PROOF (Predicting Occupational biomechanics among OFfice workers) study, was to determine if there was a relationship between psychosocial stress, measured by reward and over-commitment, and trapezius muscle activity while workers performed their own computer work in the field. We observed that workers reporting higher levels of over-commitment and lower reward also experienced approximately 40% higher median trapeizus muscle activity levels than workers reporting lower levels of over-commitment and lower reward (change from 3.5% MVC to 6% MVC), with no difference in muscle activity for workers reporting high reward and either low or high overcommitment. Workers reporting higher levels of over-commitment experienced more variability in trapezius muscle activity. The results of this study may be used to inform interventions targeting reduction of musculoskeletal disorders among office workers.

Original language	English
Title of host publication	Proceedings of the Human Factors and Ergonomics Society 56th Annual Meeting, HFES 2012
Pages	1123-1127
Number of pages	5
DOIs	https://doi.org/10.1177/1071181312561244
Publication status	Published - 2012
Event	Proceedings of the Human Factors and Ergonomics Society 56th Annual Meeting, HFES 2012 - Boston, MA, United States Duration: 22 Oct 2012 → 26 Oct 2012

Publication series

Name	Proceedings of the Human Factors and Ergonomics Society
ISSN (Print)	1071-1813

Conference

Conference	Proceedings of the Human Factors and Ergonomics Society 56th Annual Meeting, HFES 2012
Country/Territory	United States
City	Boston, MA
Period	22/10/2012 → 26/10/2012

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10.1177/1071181312561244

Cite this

Bruno Garza, J. L., Eijckelhof, B. H. W., Huysmans, M. A., Johnson, P. W., Van Dieen, J. H., Van Der Beek, A. J., & Dennerlein, J. T. (2012). The effects of psychosocial factors on trapezius muscle activity levels during computer use. In Proceedings of the Human Factors and Ergonomics Society 56th Annual Meeting, HFES 2012 (pp. 1123-1127). (Proceedings of the Human Factors and Ergonomics Society). https://doi.org/10.1177/1071181312561244

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abstract = "The goal of the present study, a part of the PROOF (Predicting Occupational biomechanics among OFfice workers) study, was to determine if there was a relationship between psychosocial stress, measured by reward and over-commitment, and trapezius muscle activity while workers performed their own computer work in the field. We observed that workers reporting higher levels of over-commitment and lower reward also experienced approximately 40% higher median trapeizus muscle activity levels than workers reporting lower levels of over-commitment and lower reward (change from 3.5% MVC to 6% MVC), with no difference in muscle activity for workers reporting high reward and either low or high overcommitment. Workers reporting higher levels of over-commitment experienced more variability in trapezius muscle activity. The results of this study may be used to inform interventions targeting reduction of musculoskeletal disorders among office workers.",

author = "{Bruno Garza}, {Jennifer L.} and Eijckelhof, {Belinda H.W.} and Huysmans, {Maaike A.} and Johnson, {Peter W.} and {Van Dieen}, {Jaap H.} and {Van Der Beek}, {Allard J.} and Dennerlein, {Jack T.}",

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Bruno Garza, JL, Eijckelhof, BHW, Huysmans, MA, Johnson, PW, Van Dieen, JH, Van Der Beek, AJ & Dennerlein, JT 2012, The effects of psychosocial factors on trapezius muscle activity levels during computer use. in Proceedings of the Human Factors and Ergonomics Society 56th Annual Meeting, HFES 2012. Proceedings of the Human Factors and Ergonomics Society, pp. 1123-1127, Proceedings of the Human Factors and Ergonomics Society 56th Annual Meeting, HFES 2012, Boston, MA, United States, 22/10/2012. https://doi.org/10.1177/1071181312561244

The effects of psychosocial factors on trapezius muscle activity levels during computer use. / Bruno Garza, Jennifer L.; Eijckelhof, Belinda H.W.; Huysmans, Maaike A. et al.

Proceedings of the Human Factors and Ergonomics Society 56th Annual Meeting, HFES 2012. 2012. p. 1123-1127 (Proceedings of the Human Factors and Ergonomics Society).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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AB - The goal of the present study, a part of the PROOF (Predicting Occupational biomechanics among OFfice workers) study, was to determine if there was a relationship between psychosocial stress, measured by reward and over-commitment, and trapezius muscle activity while workers performed their own computer work in the field. We observed that workers reporting higher levels of over-commitment and lower reward also experienced approximately 40% higher median trapeizus muscle activity levels than workers reporting lower levels of over-commitment and lower reward (change from 3.5% MVC to 6% MVC), with no difference in muscle activity for workers reporting high reward and either low or high overcommitment. Workers reporting higher levels of over-commitment experienced more variability in trapezius muscle activity. The results of this study may be used to inform interventions targeting reduction of musculoskeletal disorders among office workers.

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Bruno Garza JL, Eijckelhof BHW, Huysmans MA, Johnson PW, Van Dieen JH, Van Der Beek AJ et al. The effects of psychosocial factors on trapezius muscle activity levels during computer use. In Proceedings of the Human Factors and Ergonomics Society 56th Annual Meeting, HFES 2012. 2012. p. 1123-1127. (Proceedings of the Human Factors and Ergonomics Society). doi: 10.1177/1071181312561244

The effects of psychosocial factors on trapezius muscle activity levels during computer use

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