{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,13]],"date-time":"2026-03-13T17:13:17Z","timestamp":1773421997007,"version":"3.50.1"},"reference-count":0,"publisher":"American Physiological Society","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Applied Physiology"],"published-print":{"date-parts":[[1982,3,1]]},"abstract":"<jats:p> To determine the effects of prolonged exposure to severe thermal stress on the subsequent ability to exercise in the heat, rats were exposed to a hot (35 degrees C) environment for 1, 2, 3, or 4 wk. At each of these weekly intervals the rats ran on a treadmill to hyperthermic exhaustion (41.5--43.0 degrees C), and tail-skin (Tt-sk) and rectal (Tre) temperatures were monitored. The results indicated that prolonged heat exposure did not enhance the rats' endurance capacity. Further, as the period of heat stress increased, there was a concomitant significant decrement in tail-skin vasodilation; indeed, after 3 and 4 wk at 35 degrees C Tt-sk reflects a complete shutdown of blood flow to the tail during exercise. Additionally, slight evaporative cooling from exogenous fluid (saliva or urine from the treadmill surface) might account for the low Tt-sk in relation to Tre and Ta. Hematocrit ratios ordinarily decreased from week to week during heat exposure, whereas body weights remained very consistent throughout the 4-wk interval. The mechanism of this decrement in vasodilation is undergoing further study. <\/jats:p>","DOI":"10.1152\/jappl.1982.52.3.734","type":"journal-article","created":{"date-parts":[[2017,12,25]],"date-time":"2017-12-25T04:45:40Z","timestamp":1514177140000},"page":"734-738","source":"Crossref","is-referenced-by-count":8,"title":["Thermoregulatory responses in the rat to exercise in the heat following prolonged heat exposure"],"prefix":"10.1152","volume":"52","author":[{"given":"R.","family":"Francesconi","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R.","family":"Hubbard","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"Mager","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"24","container-title":["Journal of Applied Physiology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.physiology.org\/doi\/pdf\/10.1152\/jappl.1982.52.3.734","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,9,9]],"date-time":"2019-09-09T04:29:29Z","timestamp":1568003369000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.physiology.org\/doi\/10.1152\/jappl.1982.52.3.734"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1982,3,1]]},"references-count":0,"journal-issue":{"issue":"3","published-print":{"date-parts":[[1982,3,1]]}},"alternative-id":["10.1152\/jappl.1982.52.3.734"],"URL":"https:\/\/doi.org\/10.1152\/jappl.1982.52.3.734","relation":{},"ISSN":["8750-7587","1522-1601"],"issn-type":[{"value":"8750-7587","type":"print"},{"value":"1522-1601","type":"electronic"}],"subject":[],"published":{"date-parts":[[1982,3,1]]}}}