The Acceptable load while marching at a speed of 5 km-1 for young Chinese males

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      <subfield code="a">Ninety-three young Chinese men selected at random were involved in the load carrying experiments. They marched at 5 km-1 carrying loads of 0,15,20,25 and 31 kg for 7 h per day. At tihs speed the acceptable load to be carried was 20 kg. Under this load 95% of the men had heart rates below 120 bt min-1 while marching and energy metabolism was in balance. Nevertheless, 10-15% of the men were fatigued and felt tired</subfield>
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      <subfield code="t">Ergonomics</subfield>
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      <subfield code="g">Vol. 33, nº 7, July 1990 ; p. 885-890</subfield>
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