Association between objective and subjective measurements of comfort and discomfort in hand tools

L.F.M. Kuijt-Evers, T. Bosch, M.A. Huysmans, M.P. de Looze, P. Vink

    Research output: Contribution to JournalArticleAcademicpeer-review

    Abstract

    In the current study, the relationship between objective measurements and subjective experienced comfort and discomfort in using handsaws was examined. Twelve carpenters evaluated five different handsaws. Objective measures of contact pressure (average pressure, pressure area and pressure-time (P-t) integral) in static and dynamic conditions, muscle activity (electromyography) of five muscles of the upper extremity, and productivity were obtained during a sawing task. Subjective comfort and discomfort were assessed using the comfort questionnaire for hand tools and a scale for local perceived discomfort (LPD). We did not find any relationship between muscle activity and comfort or discomfort. The P-t integral during the static measurement (beta=-0.24, p<0.01) was the best predictor of comfort and the pressure area during static measurement was the best predictor of LPD (beta=0.45, p<0.01). Additionally, productivity was highly correlated to comfort (beta=0.31, p<0.01) and discomfort (beta=-0.49, p<0.01). © 2006 Elsevier Ltd. All rights reserved.
    LanguageEnglish
    Pages643-654
    JournalApplied Ergonomics
    Volume38
    Issue number5
    DOIs
    Publication statusPublished - 2007

    Fingerprint

    Hand tools
    Hand
    Pressure
    productivity
    Muscle
    Muscles
    Productivity
    contact
    Sawing
    Electromyography
    questionnaire
    Upper Extremity
    time

    Cite this

    Kuijt-Evers, L.F.M. ; Bosch, T. ; Huysmans, M.A. ; de Looze, M.P. ; Vink, P. / Association between objective and subjective measurements of comfort and discomfort in hand tools. In: Applied Ergonomics. 2007 ; Vol. 38, No. 5. pp. 643-654.
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    title = "Association between objective and subjective measurements of comfort and discomfort in hand tools",
    abstract = "In the current study, the relationship between objective measurements and subjective experienced comfort and discomfort in using handsaws was examined. Twelve carpenters evaluated five different handsaws. Objective measures of contact pressure (average pressure, pressure area and pressure-time (P-t) integral) in static and dynamic conditions, muscle activity (electromyography) of five muscles of the upper extremity, and productivity were obtained during a sawing task. Subjective comfort and discomfort were assessed using the comfort questionnaire for hand tools and a scale for local perceived discomfort (LPD). We did not find any relationship between muscle activity and comfort or discomfort. The P-t integral during the static measurement (beta=-0.24, p<0.01) was the best predictor of comfort and the pressure area during static measurement was the best predictor of LPD (beta=0.45, p<0.01). Additionally, productivity was highly correlated to comfort (beta=0.31, p<0.01) and discomfort (beta=-0.49, p<0.01). {\circledC} 2006 Elsevier Ltd. All rights reserved.",
    author = "L.F.M. Kuijt-Evers and T. Bosch and M.A. Huysmans and {de Looze}, M.P. and P. Vink",
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    Association between objective and subjective measurements of comfort and discomfort in hand tools. / Kuijt-Evers, L.F.M.; Bosch, T.; Huysmans, M.A.; de Looze, M.P.; Vink, P.

    In: Applied Ergonomics, Vol. 38, No. 5, 2007, p. 643-654.

    Research output: Contribution to JournalArticleAcademicpeer-review

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    AU - Kuijt-Evers, L.F.M.

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    AU - Vink, P.

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    AB - In the current study, the relationship between objective measurements and subjective experienced comfort and discomfort in using handsaws was examined. Twelve carpenters evaluated five different handsaws. Objective measures of contact pressure (average pressure, pressure area and pressure-time (P-t) integral) in static and dynamic conditions, muscle activity (electromyography) of five muscles of the upper extremity, and productivity were obtained during a sawing task. Subjective comfort and discomfort were assessed using the comfort questionnaire for hand tools and a scale for local perceived discomfort (LPD). We did not find any relationship between muscle activity and comfort or discomfort. The P-t integral during the static measurement (beta=-0.24, p<0.01) was the best predictor of comfort and the pressure area during static measurement was the best predictor of LPD (beta=0.45, p<0.01). Additionally, productivity was highly correlated to comfort (beta=0.31, p<0.01) and discomfort (beta=-0.49, p<0.01). © 2006 Elsevier Ltd. All rights reserved.

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