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Leg Curl Test

Testing and measurement are the means of collecting information upon which subsequent performance evaluations and decisions are made. In the analysis, we need to bear in mind the factors that may influence the results.

Objective

The leg curl test's objective is to evaluate an athlete's hamstring strength.

Required Resources

To conduct this test, you will require:

  • Universal knee flexor/extensor bench
  • Assistant

How to conduct the test

This test requires the athlete to complete as many leg curls as possible with no rest.

  • The athlete warms up for 10 minutes
  • The assistant loads the bench with a weight close to the athlete's one repetition maximum load.
  • The athlete conducts leg curls until they are unable to continue
  • The assistant counts the number of successful leg curls
  • If the number of leg curls exceeds eight then the athlete rests for 10 minutes, the assistant increases the weight and the athlete repeats the test
  • The assistant uses Brzycki's (1993)[1] maximum load calculator to determine the athlete's 1RM.

Assessment

The athlete's 1RM can be calculated using the Brzycki's (1993)[1] algorithm:

  • 1RM = Weight ÷ ( 1.0278 - ( 0.0278 × Number of leg curls) )

Analysis

Analysis of the test result compares 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 hamstring strength.

For muscle balance of your hamstrings & quadriceps your leg curl 1RM should be higher than 80% of your leg extension 1RM weight.

Target Group

This test is suitable for active individuals but not for those where the test would be contraindicated.

Reliability

Test reliability refers to how 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 various factors that may influence the results and therefore, the test reliability.

Validity

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 training on the athlete's physical development.

Advantages

  • Minimal equipment required
  • Simple to set up and conduct
  • The athlete can administer the test

Disadvantages

  • Specialist equipment required
  • Assistant required to administer the test

References

  1. BRZYCKI, M. (1993) Strength testing-Predicting a one-rep max from reps-to-fatigue. JOPERD, 68, p. 88-90.

Page Reference

If you quote information from this page in your work, then the reference for this page is:

  • MACKENZIE, B. (2006) Leg Curl Test [WWW] Available from: https://www.brianmac.co.uk/legcurltest.htm [Accessed