Biomechanical risk factors for occupationally related low back disorders

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      <subfield code="a">Biomechanical risk factors for occupationally related low back disorders</subfield>
      <subfield code="c">William S. Marras... [et al.]</subfield>
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      <subfield code="a">A continuing challenge for ergonomists has been to determine quantitatively the types of trunk motion and how much trunck motion contributes to the risk of occupationally-related low back disorder (LBD). It has been difficult to include this motion information in workplace assessments since the speed at which trunk motion becomes dangerous has not been determined. An in vivo study was performed to assess the contribution of three-dimensional dynamic trunk motions to the risk of LBD during occupational lifting in industry. Over 400 industrial lifting jobs were studied in 48 varied industries. The medical records in these industries were examined so that specific jobs historically categorized as either low, medium, or high risk for occupationally-related LBD could be identified</subfield>
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      <subfield code="a">Marras, William S.</subfield>
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      <subfield code="t">Ergonomics</subfield>
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      <subfield code="g">Vol. 38, nº 2, February 1995 ; p. 377-410</subfield>
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