Mild overcooling increases energy expenditure during endurance exercise
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Mild overcooling increases energy expenditure during endurance exercise. / Sjödin, Anders Mikael; Forslund, A; Webb, P; Hambræus, L.
I: Scandinavian Journal of Medicine and Science in Sports, Bind 6, Nr. 1, 1996, s. 22-25.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Mild overcooling increases energy expenditure during endurance exercise
AU - Sjödin, Anders Mikael
AU - Forslund, A
AU - Webb, P
AU - Hambræus, L
PY - 1996
Y1 - 1996
N2 - Intensive cooling has been shown to increase energy expenditure (EE) during work as well as to decrease physical performance. Two different levels of moderate cooling (10°C vs 15°C) were studied during light endurance exercise in order to examine the effect of the increased heat loss on EE. Twelve subjects performed a 90-min low intensity exercise (100 W) on a cycle ergometer, wearing a water-cooled calorimeter suit for controlled cooling. The lower temperature resulted in a 4.3±3.8% (mean±SD) higher EE, increased total heat loss and lowered skin temperatures. No differences in central core body temperature, heart rate or respiratory quotient (RQ) were recorded. There was a relation between differences in the rate of heat loss and the corresponding increase in EE. Even a small increase in cooling during endurance exercise increased EE which may be a relevant problem in winter sports.
AB - Intensive cooling has been shown to increase energy expenditure (EE) during work as well as to decrease physical performance. Two different levels of moderate cooling (10°C vs 15°C) were studied during light endurance exercise in order to examine the effect of the increased heat loss on EE. Twelve subjects performed a 90-min low intensity exercise (100 W) on a cycle ergometer, wearing a water-cooled calorimeter suit for controlled cooling. The lower temperature resulted in a 4.3±3.8% (mean±SD) higher EE, increased total heat loss and lowered skin temperatures. No differences in central core body temperature, heart rate or respiratory quotient (RQ) were recorded. There was a relation between differences in the rate of heat loss and the corresponding increase in EE. Even a small increase in cooling during endurance exercise increased EE which may be a relevant problem in winter sports.
KW - Calorimetry
KW - Cold, thermogenesis
KW - Work efficiency
U2 - 10.1111/j.1600-0838.1996.tb00065.x
DO - 10.1111/j.1600-0838.1996.tb00065.x
M3 - Journal article
C2 - 8680939
AN - SCOPUS:0030078818
VL - 6
SP - 22
EP - 25
JO - Scandinavian Journal of Medicine & Science in Sports
JF - Scandinavian Journal of Medicine & Science in Sports
SN - 0905-7188
IS - 1
ER -
ID: 211165117