Leg Extension Test
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.
The objective of the leg extension test is to evaluate the strength of an athlete's quadriceps.
To undertake this test, you will require:
How to conduct the test
This test requires the athlete to complete as many leg extensions as possible with no rest.
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 strength of the athlete's quadriceps. For muscle balance of your hamstrings & quadriceps your leg curl 1RM should be greater than 80% of your leg extension 1RM weight.
A study by Dohoney et al. (2002) identified the following equations to determine 1-RM for the leg extension test for male athletes:
This test is suitable for active individuals but not for those 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 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.
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