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The prediction of cardio-respiratory fitness

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Internationale Zeitschrift für angewandte Physiologie einschließlich Arbeitsphysiologie Aims and scope Submit manuscript

Summary

  1. 1.

    Sixty young male subjects were exercised on a bicycle ergometer at a constant load of 140 Watts (840 Kgm/min) thrice daily for 5 days.

  2. 2.

    The relationship between an assessment of the exercise taken by each subject (‘fitness’ grading) and 26 measurements of pulse rate, ventilation, personality, and other variables was investigated by a series of multiple regression analyses.

  3. 3.

    The optimum regression equation incorporated three negative coefficients (the pulse rate 15 min after exercise on Day 1, the change in end-exercise pulse rate from Day 1 to Day 4, and the extraventilation of exercise on Day 1) and three positive coefficients (‘resting’ ventilation, extraventilation during the first minute of exercise, and the change in pulse rate 15 min after exercise from Day 1 to Day 4).

  4. 4.

    The optimum equation accounted for 58% of the variance of the ‘fitness’ grading. A prediction of maximal oxygen consumption by the Astrand nomogram accounted for only 35%.

  5. 5.

    Certain practical objections to the Åstrandnomogram are pointed out.

  6. 6.

    The physiological significance of the regression coefficients is discussed.

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Authors and Affiliations

  1. Department of Physiological Hygiene, School of Hygiene and Connaught Medical Research Laboratories, University of Toronto 1965, Canada

    R. J. Shephard & R. Lyn McClure

Authors
  1. R. J. Shephard
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  2. R. Lyn McClure
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Shephard, R.J., McClure, R.L. The prediction of cardio-respiratory fitness. Int. Z. Angew. Physiol. Einschl. Arbeitsphysiol. 21, 212–223 (1965). https://doi.org/10.1007/BF00694937

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  • DOI: https://doi.org/10.1007/BF00694937

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