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Relationship between brief and prolonged repeated sprint ability.

Jonathan L Oliver1, Neil Armstrong, Craig A Williams

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Summary
This summary is machine-generated.

Maximal sprint speed and total work during repeated sprints are key indicators of repeated sprint ability (RSA) regardless of test duration. However, mean speed and performance decline are specific to the test protocol.

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Area of Science:

  • Sports Science
  • Exercise Physiology

Background:

  • Repeated sprint ability (RSA) is crucial in many sports.
  • Current RSA testing protocols vary in duration and recovery, with unclear relationships between brief and prolonged tests.

Purpose of the Study:

  • To investigate the relationship between performance in brief and prolonged repeated sprint ability tests.
  • To determine which performance metrics in RSA testing are protocol-dependent or independent.

Main Methods:

  • Eighteen adolescent males completed both a brief (7x5s sprints, 20s recovery) and a prolonged (42min, 5s sprint every 2min) RSA test on a non-motorised treadmill.
  • Analysis of mean speed, maximal speed, total work, and percentage decrement scores.

Main Results:

  • Strong correlations were found between maximal single sprint speed and both brief (r≥0.72) and prolonged (r≥0.77) RSA.
  • Total work in the brief test strongly correlated with total work (r=0.81) and distance (r=0.79) in the prolonged test.
  • No significant correlation was found for percentage decrement scores between the two protocols.

Conclusions:

  • Maximal sprint speed and total work are general RSA qualities, independent of test protocol.
  • Mean speed and performance decrement are specific RSA qualities influenced by sprint frequency and test duration.