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Reliability and validity testing of an archery chronometer.

Hayri Ertan1, Behzat B Kentel2, S Turgut Tümer3

  • 1Middle East Technical University , Physical Education and Sports Department, Ankara, Turkey.

Journal of Sports Science & Medicine
|January 17, 2014
PubMed
Summary

An archery chronometer accurately measures clicker reaction time (CRT) and arrow ballistics. This device is reliable for evaluating archer performance and enhancing shooting techniques in real-world training environments.

Keywords:
Archeryelectromyography (EMG)muscular analysisreaction time

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Area of Science:

  • Sports Science
  • Biomechanics
  • Performance Analysis

Background:

  • Consistent arrow velocity and timely response to the clicker are crucial for elite archery performance.
  • External factors like temperature and wind significantly influence arrow ballistics.
  • Objective measurement tools are needed to assess archer reaction time and arrow flight dynamics.

Purpose of the Study:

  • To validate an archery chronometer's ability to measure Clicker Reaction Time (CRT).
  • To assess the reliability of the archery chronometer in measuring CRT, arrow velocity, and environmental factors.
  • To determine if CRT can predict overall Reaction Time (RT) in archers.

Main Methods:

  • Twenty elite archers participated in the study.
  • The validity of the archery chronometer's CRT was tested against electromyography (EMG) derived Reaction Time (RT).
  • Test-retest methodology was employed to evaluate the reliability of the archery chronometer's measurements.

Main Results:

  • A strong correlation (r = .787, p < 0.01) was found between CRT and RT, confirming the chronometer's validity.
  • The archery chronometer demonstrated high reliability in measuring CRT, Average Speed (AS), Flying Time (FT), Wind Speed (WS), Wind Direction (WD), and Temperature (TEMP).

Conclusions:

  • The archery chronometer is a valid and reliable tool for measuring archer reaction time.
  • This device can be utilized for technical evaluation, enhancing shooting techniques, and analyzing the ballistic flight of an arrow.
  • Coaches and archers can use the archery chronometer to improve performance in natural training settings.