Hi Yaniel,

I work as an ergonomic consultant in Québec and I am often involved in Court to present ergonomic assessment regarding MSD.

You might consider reading these:

Bernard, B.P. 1997. Musculoskeletal disorders and workplace factors: A critical review of epidemiologic evidence for work-related musculoskeletal disorders of the neck, upper extremity, and low back. Cincinnati, OH: National Institute of Occupational Safety and Health.

Sluiter J.K., Rest K.M., Frings-Dresen M.H.W. 2001. Criteria document for evaluating the work-relatedness of upper-extremity musculoskeletal disorders. Scandinavian Journal of Work, Environment and Health. 27 suppl 1:1-102.

Larsson, B. Sogaard, K. Rosendal, L. (2007). Work related neck–shoulder pain: a review on magnitude, risk factors, biochemical characteristics, clinical picture and preventive interventions.. Best Practice & Research Clinical Rheumatology.  Vol. 21, No. 3, pp. 447–463

Village J, Rempel D, Teschke K. 2005. Musculoskeletal disorders of the upper extremity associated with computer work: A systematic review. Occupational Ergonomics 5: 205-218.

van Rijn R.M, Huisstede B.MA, Koes B.W., Burdof A. 2009. Associaiton between work-related factors and the carpal tunnel syndrome- a systematic review. Scandinavian Journal of Work, Environment and Health. 35 (1): 19-36.

NF EN 1005, 2007.  sécurité des Machine. 

As you are working on something similar, you should take a look at the QEC from the CSST (www.csst.qc.ca/publications/200/dc_200_698.htm)

Have a good reading!

Martin Corbeil M.Sc. Ergonome, CGL Ergonomie inc