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Palmar creases in population studies

R Chaube

    American Journal of Physical Anthropology
    |July 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    Palmar flexion creases show significant variations across Indian populations, suggesting their potential as a human classification criterion. Differences were observed between sexes and hands, indicating a regular distribution trend for this trait.

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    Area of Science:

    • Anthropology
    • Human Genetics
    • Dermatoglyphics

    Background:

    • Palmar flexion creases are unique epidermal ridges on the palm.
    • Previous classification methods for human traits have limitations.
    • The method by Bali and Chaube (1971) offers potential advantages.

    Purpose of the Study:

    • To assess the validity of palmar flexion creases for human classification.
    • To analyze crease pattern variations in distinct Indian endogamous groups.
    • To investigate sexual and manual dimorphism in crease frequencies.

    Main Methods:

    • Analysis of palmar flexion creases in Brahmin, Bhangi, and Punjabi Khattri populations.
    • Application of the Bali and Chaube (1971) classification method.
    • Statistical comparison of crease frequencies across groups, sexes, and hands.

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    Main Results:

    • Significant variations in palmar crease frequencies were found among the studied Indian populations.
    • Distinct bisexual differences in the frequencies of various crease types were observed.
    • Bimanual differences in crease type frequencies also showed a significant trend.

    Conclusions:

    • Palmar flexion creases exhibit population-specific distribution patterns.
    • The trait demonstrates regular distribution trends with bisexual and bimanual variations.
    • Palmar creases hold potential as a criterion for human classification and population studies.