Document Detail

A new approach to the mouse arm syndrome.
MedLine Citation:
PMID:  14675519     Owner:  NLM     Status:  MEDLINE    
OBJECTIVES: The study validates a new computer mouse concept. The tested device is a small mouse with a pivoting pen-shaped handle. The hypothesis behind the design is the assumptions that the pen grip requires less static tension than the normal mouse grip and that fine-motor, high precision tasks normally are done with finger movements with forearm at rest. METHODS: Four muscles were monitored with electromyography (EMG) during work with a new mouse and with a traditional mouse. RESULTS: EMG activity was significant lower, in M. pronator teres--46%, M. extensor digitorum--46%, M. trapezius--69%, and M. levator scapulae--82%, during work with the new mouse as compared to the traditional mouse. CONCLUSION: Altering the design of the computer mouse can significantly reduce muscular tension.
Johan Ullman; Nils Kangas; Pia Ullman; Fredrik Wartenberg; Mats Ericson
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  International journal of occupational safety and ergonomics : JOSE     Volume:  9     ISSN:  1080-3548     ISO Abbreviation:  Int J Occup Saf Ergon     Publication Date:  2003  
Date Detail:
Created Date:  2003-12-16     Completed Date:  2004-03-25     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  9507598     Medline TA:  Int J Occup Saf Ergon     Country:  Poland    
Other Details:
Languages:  eng     Pagination:  463-77     Citation Subset:  IM    
Medinova AB, Gothenburg, Sweden.
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MeSH Terms
Carpal Tunnel Syndrome / physiopathology
Computer Terminals*
Cumulative Trauma Disorders / physiopathology*
Equipment Design
Muscle, Skeletal / physiopathology*
Occupational Diseases / physiopathology*

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