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Digital 3-D headforms with facial features representative of the current US workforce.

Authors
Zhuang-Z; Benson-S; Viscusi-D
Source
Ergonomics 2010 May; 53(5):661-671
NIOSHTIC No.
20036763
Abstract
Existing headforms are based on anthropometric data collected over 30 years ago. In 2003, the National Institute for Occupational Safety and Health conducted an anthropometric survey of 3997 respirator users, of which 1013 subjects were scanned with a Cyberware 3-D Rapid Digitizer. The objective of this study was to create headforms representative of the current US workforce. Ten facial dimensions relevant to respirator fit were chosen for defining a principal component analysis model, which divides the user population into five face-size categories. Mean facial dimensions were then computed to target the ideal facial dimensions for each size category. Five scans in each category were chosen and averaged to construct a representative headform for each size category. Five digital 3-D headforms were developed: small, medium, large, long/narrow and short/wide. All dimensions are within 3 mm of the computed means for the sample population in each size category.
Keywords
Anthropometry; Respirators; Respiratory-protective-equipment; Respiratory-protection; Humans; Author Keywords: anthropometrics; facial dimensions; headforms; respirator; sizing
Contact
Ziqing Zhuang, National Institute for Occupational Safety and Health, National Personal Protective Technology Laboratory, Pittsburgh, PA 15236, USA
CODEN
ERGOAX
Publication Date
20100501
Document Type
Journal Article
Email Address
zaz3@cdc.gov
Fiscal Year
2010
NTIS Accession No.
NTIS Price
Issue of Publication
5
ISSN
0014-0139
NIOSH Division
NPPTL
Source Name
Ergonomics
State
PA
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