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  1. Hunched over means you've got poor ergonomic set up. http://www.iapa.ca/pdf/ergonomics_handbook.pdf -- yeah, I know it says "clothing industry", but sewing machine operation is mostly pretty much the same.

    3 Answers · Health · 18/12/2013

  2. ...: http://www.youtube.com/watch?v=hbmQ2riM7Yo http://www.iapa.ca/pdf/ergonomics_handbook.pdf If this becomes a ...

    3 Answers · Health · 13/11/2011

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