
Balke Treadmill TestTesting and measurement are the means of collecting information upon which subsequent performance evaluations and decisions are made but in the analysis we need to bear in mind the factors that may influence the results. ObjectiveTo monitor the development of the athlete's general endurance (VO_{2} max). It was originally developed by Hanson (1984)^{[1]} to determine VO_{2 }max in cardiac patients. The test has been used in a study of the physical fitness of Air Force personnel. (Balke & Ware 1959)^{[4]}
How to conduct the testThis test requires the athlete to run for as long as possible on a treadmill whose slope increments at timed intervals
Converting from Percent Grade to DegreesAssessmentActive and sedentary men  (Pollock et al. 1976)^{[2]}From the total time an estimate of the athlete's VO_{2 } max can be calculated as follows:
"T" is the total time of the test expressed in minutes and fractions of a minute e.g. 13 minutes 15 seconds = 13.25 minutes Active and sedentary women  (Pollock et al. 1982)^{[3]}From the total time an estimate of the athlete's VO_{2 }max can be calculated as follows:
"T" is the total time of the test expressed in minutes and fractions of a minute. For an analysis of your VO_{2 }max score see the VO_{2 }max page.
AnalysisAnalysis of the test result is by comparing it with the athlete's previous results for this test. It is expected that, with appropriate training between each test, the analysis would indicate an improvement in the athlete's VO_{2 }max. Target GroupThis test is suitable for active and sedentary individuals but not for those where the test would be contraindicated. ReliabilityTest reliability refers to the degree to which a test is consistent and stable in measuring what it is intended to measure. Reliability will depend upon how strict the test is conducted and the individual's level of motivation to perform the test. The following link provides a variety of factors that may influence the results and therefore the test reliability. ValidityTest validity refers to the degree to which the test actually measures what it claims to measure and the extent to which inferences, conclusions, and decisions made on the basis of test scores are appropriate and meaningful. This test provides a means to monitor the effect of training on the athlete's physical development. There are published VO_{2 }max tables and the correlation to actual VO_{2 }max is high. For an assessment of your VO_{2 }max see the VO_{2 }max normative data tables. Advantages
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