SUBSTRATE AVAILABILITY AND TEMPERATURE REGULATION DURING COLD WATER IMMERSION IN HUMANS

Authors
  1. Martineau, L.
  2. Jacobs, I.
Corporate Authors
Defence and Civil Inst of Environmental Medicine, Downsview ONT (CAN);Toronto Univ, Toronto ONT (CAN) Dept of Community Health
Abstract
Increased thermogenesis in humans during cold exposure is caused by shivering. Although there is much evidence that both circulating and intramuscular substrates are used to fuel this enhanced skeletal muscle activity, there are no studies describing the effects of altering substrate availability on human temperature regulation. This abstract reports the results from two studies. The importance of skeletal muscle glycogen as a fuel for shivering thermogenesis in humans during cold water immersion was first clarified. It was then investigated whether a reduced availability of plasma free fatty acids (FFA) would impair cold tolerance.
Report Number
DCIEM-92-10-P-125 — @Paper presented at the DCIEM Diver Thermal Protection Workshop, North York, Ontario, Canada, 31 Jan - 2 Feb 1989; CONTAINED IN 92-03143
Date of publication
15 Jan 1992
Number of Pages
6 (p125-130)
DSTKIM No
92-03138
CANDIS No
125608
Format(s):
Microfiche filmed at DSIS;Originator's fiche received by DSIS

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