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The impact of firefighter personal protective equipment and treadmill protocol on maximal oxygen uptake.
Lee-J-Y; Bakri-I; Kim-J-H; Son-S-Y; Tochihara-Y
J Occup Environ Hyg 2013 Jul; 10(7):397-407
This study investigated the effects of firefighter personal protective equipment (PPE) on the determination of maximal oxygen uptake (VO2max) while using two different treadmill protocols: a progressive incline protocol (PIP) and a progressive speed protocol (PSP), with three clothing conditions (Lightlight clothing; Boots-PPE with rubber boots; Shoes-PPE with running shoes). Bruce protocol with Light was performed for a reference test. Results showed there was no difference in VO2max between Bruce Light, PIP Light, and PSP Light. However, VO2max was reduced in Boots and Shoes with shortened maximal performance time (7 and 6 min reduced for PIP Boots and Shoes, respectively; 11 and 9 min reduced for PSP Boots and Shoes, respectively), whereas the increasing rate of VO2 in Boots and Shoes during submaximal exercise was greater compared with Light. Wearing firefighter boots compared with wearing running shoes also significantly affected submaximal VO2 but not VO2max. These results suggest that firefighters' maximal performance determined from a typical VO2max test without wearing PPE may overestimate the actual performance capability of firefighters wearing PPE.
Face-masks; Fire-fighting; Fire-fighters; Fire-fighting-equipment; Personal-protective-equipment; Protective-clothing; Footwear; Foot-protection; Laboratory-testing; Physical-exercise; Respiration; Oxygen-uptake; Breathing; Performance-capability; Author Keywords: clothing weight; graded exercise test; maximal oxygen uptake; personal protective equipment; protective boots
Prof. Joo-Young Lee, Department of Clothing and Textiles, Seoul National University, Gwanak-ro 1, Gwanak-gu, Seoul 151-742, Korea
Issue of Publication
Journal of Occupational and Environmental Hygiene
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division