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Document ID (ISN)112133
CIS number 11-0875
ISSN - Serial title 1745-6673 - Journal of Occupational Medicine and Toxicology
Year 2011
Convention or series no.
Author(s) Stewart I.B., Hunt A.P.
Title Negligible heat strain in armored vehicle officers wearing personal body armor
Bibliographic information 2011, 6:22, 6p. Illus. 38 ref.
Internet access Negligible_heat_strain.pdf [in English]
Abstract This study evaluated the heat strain experienced by armoured vehicle officers (AVOs) wearing personal body armour (PBA) in a sub-tropical climate. Twelve male AVOs, aged 35-58 years, undertook an eight hour shift while wearing PBA. Heart rate and core temperature were monitored continuously. Urine specific gravity (USG) was measured before and after, and with any urination during the shift. Heart rate indicated an intermittent and low-intensity nature of the work. USG revealed six AVOs were dehydrated from pre through post shift, and two others became dehydrated. Core temperature averaged 37.4▒0.3░C, with maximum's of 37.7▒0.2░C. Despite increased age, body mass and poor hydration practices, and wet-bulb globe temperatures in excess of 30░C; the intermittent nature and low intensity of the work prevented excessive heat strain from developing.
Descriptors (primary) heat load; protective clothing; male workers; deliverymen; violence
Descriptors (secondary) body-core temperature; dehydration; heart rate monitoring; job study; WBGT index
Document type D - Periodical articles
Subject(s) Occupational physiology
Commerce, services, offices
Broad subject area(s) Physiology, ergonomics
Browse category(ies) Heat and cold
Banking and financial services