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Reference values for exercise tests with continuous increase in load.

I Nordenfelt, L Adolfsson, J E Nilsson

    Clinical Physiology (Oxford, England)
    |April 1, 1985
    PubMed
    Summary
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    This study presents reference values for exercise tests using a bicycle ergometer for 188 Swedish adults aged 20-79. These values, categorized by sex, age, and weight, aid in assessing exercise capacity and blood pressure responses.

    Area of Science:

    • Exercise Physiology
    • Cardiovascular Health
    • Biostatistics

    Background:

    • Establishing normative data for exercise testing is crucial for clinical and research applications.
    • Previous reference values may not reflect current population demographics or testing protocols.

    Purpose of the Study:

    • To establish comprehensive reference values for exercise capacity and systolic blood pressure during graded exercise testing.
    • To provide data stratified by sex, age, and body weight for improved interpretation of exercise test results.

    Main Methods:

    • 188 randomly selected Swedish individuals (20-79 years) underwent exercise testing on an electrically braked bicycle ergometer.
    • Continuous increase in load protocol was employed.
    • Data were analyzed to establish reference ranges based on sex, age (in decades), and weight.

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    Main Results:

    • Reference values for maximal exercise capacity (e.g., peak workload, oxygen consumption) were determined.
    • Values were presented in decreasing levels of exercise capacity.
    • Reference values for systolic blood pressure at various work loads were also provided.

    Conclusions:

    • The presented reference values offer a valuable tool for assessing exercise capacity and cardiovascular response in a Swedish population.
    • These data can aid clinicians and researchers in interpreting individual exercise test results and identifying deviations from norms.
    • The study highlights the importance of considering sex, age, and weight when evaluating exercise performance.