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
... ergonomics: http:// www .youtube.com/watch?v=hbmQ2riM7Yo http:// www . iapa . ca /pdf/ergonomics_handbook.pdf If this becomes a recurring...
3 Answers · Health · 13/11/2011
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