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Diver temperature and performance changes during long-duration,cold water exposure
human temperature performance cold water immersion
2009/7/20
Diver temperature and performance changes during long-duration,cold water exposure
Distraction effect of cold water on performance of higher-order tasks
human performance cold water immersion
2009/7/20
Eight U.S. Navy-qualified scuba divers performed peripheral target detection and navigation problem-solving tasks continuously during 3-h exposures to moderate (15.5 degrees C) and cold (4.5 degrees C...
Body cooling in human males by cold-water immersion after vigorous exercise
human cold-water immersion vigorous exercise
2009/7/15
Five male subjects were immersed to neck level in a whole-body water calorimeter (water temperature 19 degrees C) on two occasions. One immersion was preceded by 30 min of exercise on a treadmill at 8...
Effect of hydrostatic pressure on plasma concentrations of norepinephrine during cold water immersion
human plasma norepinephrine thermal immersion
2009/7/14
Head-out immersion of humans in cold water concurrently stimulates low-pressure receptors and cutaneous cold receptors. In theory, the low-pressure receptors inhibit sympathetic nerve activity to the ...
Effect of wearing gloves on the thermal balance of Korean women wet-suit divers in cold water
cold wet suit immersion neoprene gloves thermal protection
2009/7/10
Effect of wearing neoprene gloves on the thermal exchanges of wet-suited divers was studied in 8 Korean diving women. Subjects, clad with 5-6-mm-thick neoprene wet suits (jacket, pants, and boots) eit...
Respiratory and cardiovascular responses to cold stress following repeated cold water immersion
cold CO2 carbon dioxide cardiac output air immersion Respiratory cardiovascular
2009/7/9
The effects of cold acclimation (CA) on the cardiorespiratory responses to cold air and water stress tests (CST) were studied in 7 males before and after a CA program of daily 90-min cold water (18 de...
Role of body fat in the prediction of the metabolic response for immersion in cold water
cold immersion body fat Adipose Tissue
2009/7/9
Several empirical models for predicting the metabolic response to a lowered body temperature have been evaluated against available data of young healthy males immersed in cold water under resting cond...
Prolonged whole body immersion in cold water: hormonal and metabolic changes
cold saturation diver air immersion hormone metabolic change dry suit
2009/7/9
To characterize metabolic and hormonal responses during prolonged whole body immersion, 16 divers wearing dry suits completed four immersions in 5 degrees C water during each of two 5-day air saturati...
Failure to reduce body water loss in cold-water immersion by glycerol ingestion
immersion glycerol ingestion water retention
2009/6/12
The efficacy of ingesting an aqueous glycerol solution to enhance body water retention during prolonged cold-water dives was evaluated. Nine Naval Special Warfare divers performed a 3-h dive in 13 deg...
Are beta-endorphins and thermoregulation during cold-water immersion related?
cold beta-endorphin thermoregulation immersion
2009/6/12
The purpose of this investigation was to determine the relationship between core temperature (Tre), tissue insulation (I), and beta-endorphins (beta-END) during immersion in cold water. To test this, ...
Effects of prolonged CO2 inhalation on shivering thermogenesis during cold-water immersion
CO2 carbon dioxide human air shivering immersion thermal cold
2009/6/12
We investigated the effect of prolonged hypercapnia on human thermoregulation during immersion of seven male subjects in a 15 degrees C water bath until their esophageal temperature dropped to 35 degr...
Supraventricular arrhythmias following breath-hold submersions in cold water
dry Supraventricular arrhythmias breath hold immersion cold water cardiac
2009/6/12
Twelve subjects undertook one submersion into water at 5 degrees C and two at 10 degrees C wearing either a wet or dry suit. During the submersions the subjects held their breath for as long as they c...
Physiologic and perceptual responses to hypercarbia during warm- and cold-water immersion
cold exercise CO2 carbon dioxide immersion hypercarbia Physiologic perceptual
2009/6/8
Thermoregulatory, respiratory, and perceptual responses to acute CO2 exposure during light exercise (75 W) were assessed in 12 U.S. Navy divers clad only in swim trunks while immersed to the neck in w...
Does cold water truly promote diver's ear?
cold ear exostosis external auditory canal thermal
2009/6/8
Ninety-seven Japanese military divers from two districts, Mutsu (Northern Japan) and Yokosuka (Central Japan), were examined for the incidence of diver's ear (exostosis of the external auditory canal)...
The goal of this presentation is to give a brief overview of German activity
in cold water scientific diving. First, we will outline the requirements for
scientific diving under German legislation. ...