Spinal stresses in simulated raking with various rake handles

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      <subfield code="a">Following a pilot study of the spinal stresses during raking with measured postures and assumed forces, a study was designed where the actual forces generated and the postures assumed were recorded and analysed. The current project was designed to compare the biomechanical stresses caused on the spine by the use of 14 different handles in a raking action. Though raking is performed in field, this activity was simulated in the laboratory for reliability, accuracy and ease of measurement</subfield>
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      <subfield code="t">Ergonomics</subfield>
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      <subfield code="g">Vol. 33, nº 1, January 1990 ; p. 1-11</subfield>
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