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The endocrine response to physical activity

H Frey

    Scandinavian Journal of Social Medicine. Supplementum
    |January 1, 1982
    PubMed
    Summary
    This summary is machine-generated.

    Physical activity increases the body's demand for carbohydrates and strains physiological systems. However, regular training typically lessens these impacts and reduces the endocrine stress response.

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    Area of Science:

    • Exercise physiology
    • Metabolic adaptation
    • Endocrinology

    Background:

    • Physical activity elevates metabolic demands, particularly for carbohydrate combustion.
    • Intense exercise places significant strain on multiple physiological systems.
    • The endocrine system responds to physical activity with increased stress and activity hormones.

    Purpose of the Study:

    • To investigate the metabolic and endocrine adaptations to physical activity.
    • To understand how training modifies the physiological response to exercise.
    • To examine the changes in hormone levels following physical exertion and training.

    Main Methods:

    • Metabolic characterization of physical activity.
    • Assessment of physiological strain during exercise.

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  • Monitoring of endocrine responses (catecholamines, cortisol, growth hormone, thyroid, gonadal hormones).
  • Evaluation of hormonal changes after a training period.

    • Main Results:

    • Physical activity increases carbohydrate utilization and physiological stress.
    • Non-exhaustive activity typically elevates catecholamines, cortisol, and growth hormone.
    • Thyroid and gonadal hormones show less involvement during activity.
    • Training diminishes the endocrine response to physical activity.

    Conclusions:

    • Training mitigates the physiological and endocrine disruptions caused by physical activity.
    • The reduced endocrine response post-training may stem from enhanced hormone sensitivity or decreased physiological need.
    • Regular exercise improves the body's efficiency in managing metabolic and hormonal stress.