The relative contributions of rate progression (1.5 to 4.0 mph), grade (4 to 9%), and load (10 to 30 Kg), to the total energy cost of treadmill work were determined. The data obtained were integrated graphically with some of the available energy cost data in the literature. A useful graph is provided for estimating energy expenditure. It was tentatively concluded that for grade walking over the ranges studied, the energy cost per unit weight is essentially the same whether the weight is of the body or the load. The data are useful in that a correlation between the diverse literature reports on treadmill studies using different speeds and loads is made feasible.
"Physical fitness" - the potential capacity for making adequate functional adjustments to increased metabolic demands - is most meaningful and accurat...
A method for determining oxygen mask leakage as developed under contract FA-885 between the Federal Aviation Agency and the Pioneer-Central Division o...
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