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Title : Comparison of the Effect of Cold Fluid and Crushed Ice Ingestion on Thermoregulatory Responses during Physical Activity in a Simulated Hot-Humid Environment
Author :

Dr. Eng. Ir. Titis Wijayanto, S.T., M.Des., IPM., ASEAN Eng. (1) VALENTINA KUNTHI B (2) GHANI FURQON ABDUL RAHMAN (3) MOONY SINAWANG (4) HARENDRASENA SURYA PRAKASA (5)
Date : 31 2019
Keyword : Cold beverage ingestion,Preecooling,Thermoregulation,Physiological responses Cold beverage ingestion,Preecooling,Thermoregulation,Physiological responses
Abstract : It has been reported that internal precooling via fluid ingestion is useful for hyperthermia prevention during exercise; however, its application in the occupational setting is unclear. This study aims to compare the effect of pre-cooling using cold fluid and crushed ice ingestion on thermoregulatory responses during simulated occupational activity in a hot and humid environment. Nine healthy males completed treadmill exercise for 30-min at an intensity of 65% of predetermined HRmax in a chamber set at 36.6±0.8? of air temperature and 72±6% of relative humidity. Before the exercise, they preceded ingested 7.5 ml kg-1 body mass of cold drink (4?), crushed ice (-2?), or mineral water (28?) for pre-cooling. Ingesting crushed ice before the activity significantly lowered the pre-activity tympanic temperature than the cold beverage. Also, crushed ice ingestion showed more significant effects in lowering heart rate and improving heat sink at the post-activity phase compared to cold beverage ingestion. These findings suggest that crushed ice ingestion may be more practical to minimize physiological and subjective thermal strain during occupational activity than ingesting cold fluid.
Group of Knowledge : Teknik Industri
Original Language : English
Level : Internasional
Status :
Published
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1 Fulltext no 116.pdf
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2 Comparison of the Effect of Cold Fluid and Crushed Ice Ingestion on Thermoregulatory (1).pdf
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3 Bukti korespondensi SEANES-IEMS.pdf
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4 Surat Pernyataan karya Ilmiah 4.pdf
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5 Rev_Comparison of the Effect of Cold Fluid and Crushed Ice Ingestion on Thermoregulatory.pdf
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