Assessment of the 2,4 km run as a predictor of aerobic capacity

Burger S.C. ; Bertram S.R. ; Stewart R.I. (1990)

Article

The original publication is available at http://www.samj.org.za

Article

Since the 2,4 km run time test is routinely used in military training programmes as an indicator of aerobic capacity and its possible improvement, an atemtp was made to: (i) establish a regression equation of VO2(max) v. 2,4 km run time in a group of 20 young military volunteers; and (ii) determine whether this equation could be used to predict VO2(max) reliably from the 2,4 km time obtained from another group. Before and after training, VO2(max) was measured in all subjects using a treadmill test, and 2,4 km run time was determined in the field. Linear regression equations using the 2,4 km run time as the independent variable accounted for 76-92% of the variance in VO2(max), while the standard error of the estimate varied from 2,24-2,91 ml/kg/min. In the second test group, the directly measured VO2(max) was 59,89 ± 0,99 ml/kg/min, while the mean values estimated from the regression equation of the first group was 59,61 ± 1,16 ml/kg/min (P< 0.001). It was concluded that, in the population studied, the 2,4 km run time in the field reliably predicts VO2(max) measured during treadmill exercise in the laboratory.

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