Testing 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.
Draper and Whyte (1997) developed the Running-based Anaerobic Sprint Test (RAST) to test a runner's anaerobic performance. RAST is similar to the Wingate ANaerobic 30 cycle Test (WANT) in that it provides coaches with measurements of power and fatigue index. WANT is more specific for cyclists whereas the RAST provides a test that can be used with athletes where running is the primary method of movement.
To undertake this test, you will require:
How to conduct the test
This test requires the athlete to undertake six 35 metre sprints with 10 seconds recovery between each sprint.
Power output for each sprint is found using the following equations
From the six times calculate the power for each run and then determine:
Athlete weight = 76 Kilograms
Is a measure of the highest power output and provides information about the strength and maximal sprint speed. Research range is 1054 watts to 676 watts.
Is the lowest power output achieved and is used to calculate the Fatigue Index. Research range is 674 watts to 319 watts.
The higher the score the better the athlete's ability to maintain anaerobic performance over time.
Indicates the rate at which power declines for the athlete. The lower the value the higher the ability of the athlete to maintain anaerobic performance. With a high fatigue index value (>10) the athlete may need to focus on improving their lactate tolerance.
Analysis 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 anaerobic capacity.
This test is suitable for sprint and endurance athletes and players of endurance sports (e.g. football, rugby) but not for individuals where the test would be contraindicated.
Test 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.
Test validity refers to the degree to which the test measures what it claims to measure and the extent to which inferences, conclusions, and decisions made based on test scores are appropriate and meaningful. This test provides a means to monitor the effect of training on the athlete's physical development. Research by Marcos et al. (2013) concluded that the RAST test was not a valid method to evaluate cyclists' anaerobic power performance considering the Wingate test as a reference.
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