Brian mac fitness tests ruler drop

It is expected that, with appropriate training between each test, the analysis would indicate an improvement in the athlete's reaction speed. This test is suitable for all athletes 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.


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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.

Health Class (Video): The Ruler-Drop Reaction-Time Test

Test 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. The ruler is held by the assistant between the outstretched index finger and thumb of the athlete's dominant hand so that the top of the athlete's thumb is level with the zero-centimetre line on the ruler The assistant instructs the athlete to catch the ruler as soon as possible after it has been released The assistant releases the ruler and the athlete catches the ruler between their index finger and thumb as quick as possible The assistant is to record the distance between the bottom of the ruler and the top of the athlete's thumb where the ruler has been caught.


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  4. The test is repeated 2 more times and the average value used in the assessment. London: Harcourt Publishers. If the thumb lands between centimetre marks, round up.

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    Then, use the chart below to determine reaction times. For example, a student who grasped the ruler at the 10 cm mark would have a reaction time of.

    Automatic Calculators You can also use an online calculator to determine reaction times using the drop test. The following website includes an online calculator and also an Excel calculator you can download and use on your own computer.

    Health Class (Video): The Ruler-Drop Reaction-Time Test

    References : 1. Brian Mackenzie, "How to test your athlete's reaction time using the drop ruler test. To download the pdf version of this article, click here: Download Now.

    2. Ruler drop test : reaction time

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