There was some difficulty getting the pdf for the following, using the 
previously posted URL; try this one, then click on "pdf" for the full 
article.  I was also asked by a member to remind readers of the benefits of 
break software; he recommends:

http://www.workrave.org (available for Windows and Linux)

For the mac (not Linux) try Coffee Break, which is now freeware (see the 
following for more info or to download the program:
http://www.macupdate.com/info.php/id/9712/coffee-break-pro-x

There are many others; to find them, put "computer break software" into any 
search engine.

Supplementary breaks and stretching exercises for data entry operators: A 
follow-up field study

American Journal of Industrial Medicine
Volume 50, Issue 7, Date: July 2007, Pages: 519-527
Traci Galinsky, Naomi Swanson, Steven Sauter, Robin Dunkin, Joseph Hurrell, 
Lawrence Schleifer

Research Article

Supplementary breaks and stretching exercises for data entry operators: A 
follow-up field study

This article is a US Government work and, as such, is in the public domain in 
the United States of America.

The conclusions in this report are those of the authors and do not necessarily 
represent the views of the National Institute for 
Occupational Safety and Health or the Internal Revenue Service.
setDOI("ADOI=10.1002/ajim.20472")

Abstract/Background

This study expanded previous NIOSH-IRS research examining the effects of rest 
breaks and stretching exercises on symptoms 
and performance in data-entry workers.

Methods

All workers spent 4 weeks with conventional breaks (two 15 min breaks per day) 
and 4 weeks with supplementary breaks (two 
15 min breaks plus four 5 min breaks per day). One-half were assigned at random 
to a group instructed to perform brief 
stretching exercises during breaks. The remainder comprised the no stretching 
(control) group.

Results

51 workers (stretch group n = 21; no stretch group n = 30) completed the study 
symptom questionnaires. Discomfort and 
eyestrain were significantly lower with supplementary breaks, and supplementary 
breaks attenuated accumulation of discomfort 
and eyestrain during work sessions. Data-entry speed was significantly faster 
with supplementary breaks so that work output 
was maintained, despite replacing 20 min of work time with break time. In the 
stretch group, workers reported stretching during 
only 25% of conventional breaks and 39% of supplementary breaks, and no 
significant effects of stretching on discomfort or 
performance were observed.

Conclusions

These results provide further converging evidence that supplementary breaks 
reliably minimize discomfort and eyestrain without 
impairing productivity. Low compliance in performing stretches prevented valid 
assessment of stretching effects. Further 
research on stretching exercises and exercise compliance is warranted. Am. J. 
Ind. Med. 50:519-527, 2007. Published 2007 
Wiley-Liss, Inc.

http://www3.interscience.wiley.com/cgi-bin/abstract/114265474/ABSTRACT          
       

Original notation snipped from:
Changing Times News * Number 88 * 7 September 2007 

Changing Times News is the TUC's fortnightly online bulletin on work-life 
balance issues. Visit the website at http://
www.tuc.org.uk/changingtimes 

http://www.tuc.org.uk/work_life/tuc-13682-f0.cfm
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