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Vibration-reducing gloves: transmissibility at the palm of the hand in three orthogonal directions.

Authors
McDowell-TW; Dong-RG; Welcome-DE; Xu-XS; Warren-C
Source
Ergonomics 2013 Dec; 56(12):1823-1840
NIOSHTIC No.
20043356
Abstract
Vibration-reducing (VR) gloves are commonly used as a means to help control exposures to hand-transmitted vibrations generated by powered hand tools. The objective of this study was to characterise the vibration transmissibility spectra and frequency-weighted vibration transmissibility of VR gloves at the palm of the hand in three orthogonal directions. Seven adult males participated in the evaluation of seven glove models using a three-dimensional hand-arm vibration test system. Three levels of hand coupling force were applied in the experiment. This study found that, in general, VR gloves are most effective at reducing vibrations transmitted to the palm along the forearm direction. Gloves that are found to be superior at reducing vibrations in the forearm direction may not be more effective in the other directions when compared with other VR gloves. This casts doubts on the validity of the standardised glove screening test. Practitioner Summary: This study used human subjects to measure three-dimensional vibration transmissibility of vibration-reducing gloves at the palm and identified their vibration attenuation characteristics. This study found the gloves to be most effective at reducing vibrations along the forearm direction. These gloves did not effectively attenuate vibration along the handle axial direction.
Keywords
Personal-protective-equipment; Gloves; Vibration; Vibration-control; Vibration-exposure; Vibration-suppressors; Hand-protection; Acceleration; Musculoskeletal-system-disorders; Extremities; Author Keywords: hand-arm vibration; acceleration exposures; personal protective equipment; musculoskeletal disorders; upper limb disorders
Contact
Thomas W. McDowell, Health Effects Laboratory Division (HELD), National Institute for Occupational Safety and Health (NIOSH), Morgantown, WV, USA
CODEN
ERGOAX
Publication Date
20131201
Document Type
Journal Article
Email Address
tmcdowell@cdc.gov
Fiscal Year
2014
NTIS Accession No.
NTIS Price
Identifying No.
M112013
Issue of Publication
12
ISSN
0014-0139
NIOSH Division
HELD
Priority Area
Manufacturing
Source Name
Ergonomics
State
WV
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