The Metabolic cost of backpack and shoulder load carriage

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      <subfield code="a">The purpose of this study was to directly compare the heart rate and oxygen uptake of the shoulder and backpack methods of carrying field artillery ammunition and to estimate acceptable working durations for this task. It is likely that under field conditions for this particular load soldier may find the shoulder load carriage method acceptable for 1-1.5 h but may tolerate the backpacking method for longer periods of time</subfield>
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      <subfield code="t">Ergonomics</subfield>
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      <subfield code="g">Vol. 35, nº 9, September 1992 ; p. 1063-1068</subfield>
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