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

Artikel i vetenskaplig tidskrift
Författare Per Jonsson
PW Johnson
Mats Hagberg
M Forsman
Publicerad i JOURNAL OF ELECTROMYOGRAPHY AND KINESIOLOGY
Volym 21
Nummer/häfte 2
Sidor 363-370
ISSN 1050-6411
Publiceringsår 2011
Publicerad vid Institutionen för medicin, avdelningen för samhällsmedicin och folkhälsa
Sidor 363-370
Språk en
Länkar dx.doi.org/10.1016/j.jelekin.2010.1...
Ämnesord upper extremity, posture, muscle load, goniometry, emg, cross-correlation, ict
Ämneskategorier Hälsovetenskaper

Sammanfattning

Abstract: 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. Purpose: 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. Scope: 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. (C) 2010 Elsevier Ltd. All rights reserved.

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