Thumb joint movement and muscular activity during mobile phone texting: A methodological study

Thumb joint movement and muscular activity during mobile phone texting : A methodological study

Jonsson, Per (author)

Johnson, Peter W (author)

Hagberg, Mats (author)

(creator_code:org_t)

Elsevier, 2011
2011
English.
In: Journal of Electromyography and Kinesiology. - : Elsevier. - 1050-6411. ; 21:2, s. 363-370

Related links:: https://urn.kb.se/re...; show more...; https://doi.org/10.1...; http://kipublication...; show less...

Abstract Subject headings

Purpose: The extended intensive use of mobile phones and other devices for Information and Communication Technology (ICT) could expose the thumbs and fingers to operational stresses beyond their intended function which may generate pain and musculoskeletal disorders in the thumbs and the associated joints. Studies characterizing biomechanical exposures associated with mobile phone use are limited to date and the use of electrogoniometry and EMG was assessed for characterizing thumb-based activities.Scope: The purpose was to investigate whether there were associations between thumb-based exposures registered with relatively easy-to-use electrogoniometric methods and more complicated EMG methods. Our hypothesis was that some outcome measures from the simpler electrogoniometric methods are related/correlated to and may be used as surrogate measure for the more complicated EMG methods.Conclusions: Due to low associations and the complementary nature of exposures collected with electrogoniometry and EMG, the results indicated both measures are necessary for characterizing thumb exposure during mobile phone text messaging. Only in a few, selected abduction/adduction activities, could electrogoniometry be used in lieu of EMG for assessing thumb exposures.

By the author/editor: Jonsson, Per; Johnson, Peter W; Hagberg, Mats; Forsman, Mikael, ...

About the subject

ENGINEERING AND TECHNOLOGY: ENGINEERING AND ...; and Mechanical Engin ...; and Production Engin ...

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