STP1133

    Physiological Responses While Wearing Protective Footwear in a Cold-Wet Environment

    Published: Jan 1992


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    Abstract

    As part of a continuing effort to improve U.S. Army combat clothing and equipment, four proposed Intermediate Cold-Wet Boots and the standard-issue U.S. Army Cold-Wet Vapor Barrier Boot were evaluated during a controlled chamber study to determine human physiological responses while sedentary and while performing intermittent exercise in simulated cold-wet conditions. The results showed that a dry, rubber, vapor-barrier boot provided increased foot protection while subjects were sedentary in a moderately cold environment. New leather footwear incorporating vapor-permeable, waterproof membranes were incapable of maintaining a dry interior after the boot had been subjected to a prolonged soak in shallow water. This moisture ingression increased boot weight and caused minor, albeit immobilizing injuries during intermittent exercise.

    Keywords:

    trenchfoot, non-freezing cold injury, protective footwear, cold-wet environment, endurance time, thermal resistance


    Author Information:

    Endrusick, TL
    Research physical scientist, research physical scientist, research biomedical engineer, research biomedical engineer, and Chief, Environmental Physiology & Medicine Directorate, U.S. Army Research Institute of Environmental Medicine, Natick, MA

    Santee, WR
    Research physical scientist, research physical scientist, research biomedical engineer, research biomedical engineer, and Chief, Environmental Physiology & Medicine Directorate, U.S. Army Research Institute of Environmental Medicine, Natick, MA

    DiRaimo, DA
    Research physical scientist, research physical scientist, research biomedical engineer, research biomedical engineer, and Chief, Environmental Physiology & Medicine Directorate, U.S. Army Research Institute of Environmental Medicine, Natick, MA

    Blanchard, LA
    Research physical scientist, research physical scientist, research biomedical engineer, research biomedical engineer, and Chief, Environmental Physiology & Medicine Directorate, U.S. Army Research Institute of Environmental Medicine, Natick, MA

    Gonzalez, RR
    Research physical scientist, research physical scientist, research biomedical engineer, research biomedical engineer, and Chief, Environmental Physiology & Medicine Directorate, U.S. Army Research Institute of Environmental Medicine, Natick, MA


    Paper ID: STP19186S

    Committee/Subcommittee: F23.20

    DOI: 10.1520/STP19186S


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