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Alterations in breast morphology consequent to a 21-day bust developer program.

J H Wilmore, A E Atwater, B D Maxwell

    Medicine and Science in Sports and Exercise
    |February 1, 1985
    PubMed
    Summary
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    A 21-day bust development program (BDP) using a commercial exercise device did not significantly alter breast size, shape, or volume in women. No significant changes were observed in breast measurements after the program.

    Area of Science:

    • Sports Science
    • Human Physiology
    • Body Composition Analysis

    Background:

    • Concerns about body image and aesthetic goals often drive interest in bust development programs.
    • Scientific evidence on the efficacy of commercial bust development programs is limited.

    Purpose of the Study:

    • To investigate the effects of a 21-day bust development program (BDP) on breast size, shape, and volume.
    • To determine if a commercial exercise device can induce measurable changes in female breast morphology.

    Main Methods:

    • Randomized controlled trial with 34 participants (19-32 years old) assigned to experimental (BDP) or control groups.
    • Comprehensive anthropometric measurements (girths) and standardized breast photography were taken.
    • Breast volume was assessed using water displacement; 10 photographic measurements were derived.

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    Main Results:

    • No significant differences in breast size, shape, or volume were found between the BDP and control groups.
    • Minor decreases in shoulder girth (both groups) and left breast volume (BDP group) were observed but were not statistically significant for the primary outcome.
    • The bust development program did not yield statistically significant alterations in the assessed breast parameters.

    Conclusions:

    • The commercial exercise device and associated bust development program are ineffective for increasing breast size, shape, or volume.
    • Based on this study, the BDP does not produce significant changes in female breast morphology.
    • Further research may be needed to explore other potential interventions or factors influencing breast development.