Cardiac responses under diverse combinations of marching speed and backpack load

Scott, P.A. and Christie, C.J. (2000) Cardiac responses under diverse combinations of marching speed and backpack load. Ergonomics SA : Journal of the Ergonomics Society of South Africa, 12 (1). pp. 49-60. ISSN 1010-2728

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Abstract

Thirty seasoned foot-soldiers were exposed to a total of 16 combinations of marching speed and backpack load, each soldier experiencing 8 of the combinations between 3.5km.h-1 with a 20kg load and 6.5km.h-1 with a 65kg load. Detailed physiological analyses were conducted, of which the heart rate responses are reported here. Steady state was achieved with all combinations under 5.5km.h-1 speed and 35kg load. Excessively elevated heart rates were elicited by all loads over 20kg at 6.5km.h-1 marching speed; by loads over 35kg at 5.5km.h-1 marching speed and by the 65kg load even at 4.5km.h-1 marching speed.

Item Type:Article
Uncontrolled Keywords:cardiac responses; marching speed; backpack load; heart rate; physiological analyses; energy cost; energy expenditure; military; soldiers; optimal load; optimal speed; load combinations
Subjects:Y Unknown > Subjects to be assigned
Divisions:Faculty > Faculty of Science > Human Kinetics & Ergonomics
ID Code:672
Deposited By:INVALID USER
Deposited On:30 May 2007
Last Modified:06 Jan 2012 16:18
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