Where is the human waist? Definitions, manual compared to scanner measurements

Daisy Veitch

    Research output: Contribution to conferencePaperpeer-review

    5 Citations (Scopus)

    Abstract

    Where exactly is the human waist? How do definitions work for women who deviate from the conventional body shape? Does the measuring instrument matter? Waist is conventionally understood to be a measurable zone within the abdominal region of the torso, a zone of considerable importance. There needs to be a good consistent waist definition, one accurate and valid for everyone. Incorrect definition and measurement will result in technical errors, commercial wastage and customer dissatisfaction. This paper investigates the waist's location and size from the point of view of garment construction for 90 adult women scanned and manually measured in a breast reduction study at Flinders Medical Center, South Australia. There are differing definitions of the location of the human waist as well as different measuring instruments. This study compares: • Two definitions: • ISO 8559, 2.1.11 and • CAESAR, Waist Circumference Preferred. • Two different instruments: • the traditional tape measure, and • software-extracted computer-aided anthropometry (CAA). Substantial discrepancies between the results from these two locations-definitions were found. The choice of instrument used seriously affects the measurement obtained. This study demonstrates three things: • waist is not horizontal for a significant sub group of the population, • CAA extracted waist measurements are not accurate (same as real values) or valid (measures the characteristic) for a sub group, and • manually measured CAESAR Preferred Waist accurately and validly measured all individuals studied. There is a clear need to modify ISO waist definition for garment construction to include the full range of anatomical variation encountered amongst women.

    Original languageEnglish
    Pages4018-4024
    Number of pages7
    DOIs
    Publication statusPublished - 23 Apr 2012
    Event18th Triennialj International Ergonomics Association's (IEA) Congress -
    Duration: 1 Jan 2012 → …

    Conference

    Conference18th Triennialj International Ergonomics Association's (IEA) Congress
    Period1/01/12 → …

    Keywords

    • body scanning
    • computer-aided anthropometry
    • garment construction
    • ISO 8559
    • waist

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