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The Effect of Ventilated Vest on Thermoregulation During Exercise in Hot Environment

Body Temperature Changes Clinical Trial

Official title:
The Effect of Ventilated Vest on Thermoregulation During Exercise in Hot

Clinical Trial Summary

The purpose of this preliminary experiment is to measure the effect of a novel ventilation system on the physiological strain during exercise in high heat load while wearing ballistic protective vest. Ten young and healthy participants will participate in the study. They will all go through a six days heat acclimation period in a heat chamber according to a valid protocol. Afterwards they will be randomly exposed to 4 conditions during four separate consecutive days.

Clinical Trial Description

Ten young and healthy civilian participants will participate in the study. They will all go through a six days heat acclimation period in a heat chamber according to a valid protocol. After heat acclimation the participant will be randomly exposed to 4 conditions during four separate consecutive days: 1) walking on a treadmill for two hours in hot-wet conditions (30OC, 70% RH) while wearing military uniforms and a vest (control group); 2) walking on a treadmill for two hours in hot-dry conditions (40OC, 30% RH) while wearing military uniforms and a vest (control group); 3) walking on a treadmill for two hours in hot-wet conditions (30OC, 70% RH) while wearing military uniforms and a vest with a ventilator (experimental group); 4) walking on a treadmill for two hours in hot-dry conditions (40OC, 30% RH) while wearing military uniforms and a vest with a ventilator (experimental group). During the heat exposures, rectal temperature, skin temperature and heart rate will be continuously monitored. Subjective comfort measures, heat strain indices, sweat rate and sweat evaporation will be also measured/calculated. The differences in the above measures, during exposure to exercise in the heat between ventilator and no ventilator will be then analyzed. ;

Study Design

Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Basic Science

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01863927
Study type Interventional
Source Sheba Medical Center
Contact Barliz Adato, MD
Phone +972542662201
Email Barliz.Adato@sheba.health.gov.il
Status Not yet recruiting
Phase N/A
Start date November 2014
Completion date February 2016
View Details
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