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Related Experiment Videos

Body reactions during chain saw work.

T Matoba, M Chiba, T Sakurai

    British Journal of Industrial Medicine
    |October 1, 1985
    PubMed
    Summary

    Chain saw work significantly impacts the body, increasing heart rate and stress hormones. Medications like sulpiride and propranolol may mitigate these physiological responses during chainsaw operation.

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    Area of Science:

    • Occupational Health
    • Human Physiology
    • Pharmacology

    Background:

    • Chainsaw operation is physically demanding and can induce significant physiological stress.
    • Understanding the body's reaction to occupational exertion is crucial for worker safety and well-being.

    Purpose of the Study:

    • To investigate the physiological and hormonal responses to chainsaw work.
    • To evaluate the potential mitigating effects of sulpiride and propranolol on these responses.

    Main Methods:

    • 14 subjects were divided into control, sulpiride, and propranolol groups.
    • Subjects performed 7-minute chainsaw tasks.
    • Heart rate and hormonal levels (ACTH, cortisol, adrenaline, noradrenaline, dopamine) were measured before and after the task.

    Main Results:

    • Chainsaw work caused a sustained increase in heart rate.
    • Sulpiride and propranolol groups exhibited lower heart rate increases compared to controls.
    • Hormonal increases (cortisol, adrenaline, noradrenaline) were highest in controls and lowest in the sulpiride group.
    • Adrenocorticotropic hormone (ACTH) increase was highest in the sulpiride group.

    Conclusions:

    • Chainsaw work induces significant physiological stress, affecting the cardiovascular and endocrine systems.
    • Sulpiride and propranolol show potential in attenuating some of the acute physiological stress responses.
    • Findings suggest an influence on the central nervous system, including the hypothalamus and limbic lobe.

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