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Serum lipids: interactions between age and moderate intensity exercise.

K Van der Eems, A H Ismail

    British Journal of Sports Medicine
    |June 1, 1985
    PubMed
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    Physical fitness programs can positively impact lipid profiles in women. Moderate exercise may help counteract age-related changes in serum triglycerides (TG), total cholesterol (TC), and lipoprotein cholesterol (LDLC, HDLC).

    Area of Science:

    • Cardiovascular Health
    • Exercise Physiology
    • Biochemistry

    Background:

    • Aging is associated with changes in serum lipids and lipoproteins.
    • Physical fitness may influence cardiovascular risk factors.

    Purpose of the Study:

    • To investigate the relationship between age and serum lipid/lipoprotein profiles in women.
    • To assess the impact of a physical fitness program on these variables.

    Main Methods:

    • Twenty women (ages 27-59) were divided into "junior" (under 40) and "senior" (over 43) groups.
    • A two-way factorial design analyzed serum triglycerides, total cholesterol, LDLC, HDLC, and risk ratios pre- and post-intervention.
    • Discriminant function analyses assessed the ability of biochemical variables to differentiate age groups.

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    Main Results:

    • Older women were heavier with higher systolic and pulse pressures.
    • Both groups improved physical fitness scores post-program.
    • Biochemical variables initially discriminated between age groups but lost significance post-program.
    • Serum triglycerides decreased in fitter women across both age groups.

    Conclusions:

    • Moderate physical activity may mitigate undesirable age-related lipid profile changes.
    • Fitness programs show potential for improving cardiovascular health markers in women.