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An occupational performance test validation program for fire fighters at the Kennedy Space Center.

B R Schonfeld1, D F Doerr, V A Convertino

  • 1Bionetics Corporation, National Aeronautics and Space Administration, Kennedy Space Center, FL 32899.

Journal of Occupational Medicine. : Official Publication of the Industrial Medical Association
|July 1, 1990
PubMed
Summary

Standardized fitness tests effectively predict performance on modified Combat Task Tests (CTT) for firefighter job tasks. Treadmill performance was a key predictor, suggesting training can improve occupational readiness.

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Area of Science:

  • Occupational Health
  • Exercise Physiology
  • Firefighter Performance Evaluation

Background:

  • Firefighter occupational performance requires high physical exertion.
  • Assessing physical readiness for demanding tasks is crucial for job success and safety.
  • Existing fitness tests may not fully capture the demands of specific job tasks.

Purpose of the Study:

  • To evaluate the predictive validity of standard fitness tests for a modified Combat Task Test (CTT).
  • To determine if fitness test scores can predict occupational performance standards for firefighters.
  • To identify key fitness components influencing firefighter task performance.

Main Methods:

  • Twenty male subjects performed a modified Combat Task Test (CTT) including stairclimbing, chopping simulation, and victim rescue simulation.

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  • Standard fitness tests were administered to the same subjects.
  • Multiple linear regression models were used to correlate fitness test scores with CTT performance parameters.

    • Main Results:

    • Standard fitness tests significantly predicted stairclimbing performance (r2 = .905) and chopping simulation time (r2 = .582).
    • Overall CTT performance time was also predicted by fitness tests (r2 = .769).
    • Treadmill performance emerged as a predominant predictor in multiple regression models, indicating its importance.

    Conclusions:

    • Standardized fitness tests can reliably predict performance on specific firefighter job tasks, particularly those involving strenuous activity.
    • The findings suggest that exercise training focused on components measured by standard tests can enhance firefighter occupational performance.
    • The modified CTT requires high maximal heart rate (93-97%), highlighting the physiological demands of the role.