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http://www.benjaminrossen.com/ERGO/html/ergonomic_02.htm

http://www.flinders.edu.au/ohsw/Ergobook/EB-preferred_posture.html

http://www.education.umn.edu/kls/ecee/default.html

http://ergo.human.cornell.edu/mbergo/schoolguide.html

http://www.askergoworks.com/cart_ergo_kids.asp

http://www.healthycomputing.com/kids/

http://www.netsci.org/Science/Special/feature01.html

http://web.mit.edu/atic/www/rsi/RSIMIT/workstation.html

http://www.chiropractic.org/chiroinfo/posture.htm

http://www.ergonomics.com.au/howtosit.htm