{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,26]],"date-time":"2026-04-26T12:32:17Z","timestamp":1777206737756,"version":"3.51.4"},"reference-count":44,"publisher":"American Physiological Society","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Applied Physiology"],"published-print":{"date-parts":[[2019,10,1]]},"abstract":"<jats:p> The aim of the study was to determine whether climatic limits for achieving heat balance at rest are affected by spinal cord injury (SCI). Twenty-three men [8 able-bodied (AB), 8 with paraplegia (PP), and 7 with tetraplegia (TP)] rested in 37\u00b0C and 20% relative humidity (RH) for 20 min. With the ambient temperature held constant, RH was increased by 5% every 7 min, until gastrointestinal temperature (T<jats:sub>gi<\/jats:sub>) showed a clear inflection or increased by &gt;1\u00b0C. T<jats:sub>gi<\/jats:sub>, skin temperatures, perceptual responses, and metabolic energy expenditure were measured throughout. Metabolic heat production [AB: 123 (21) W, PP: 111 (15) W, TP: 103 (29) W; means (SD)] and required rate of evaporative cooling for heat balance [E<jats:sub>req<\/jats:sub>; AB: 113 (20) W, PP: 107 (17) W, TP: 106 (29) W] were similar between groups ( P = 0.22 and P = 0.79). Compared with AB, greater increases in T<jats:sub>gi<\/jats:sub> were observed in TP ( P = 0.01), with notable increases in mean skin temperature (T<jats:sub>sk<\/jats:sub>) for TP and PP ( P = 0.01). A T<jats:sub>gi<\/jats:sub> inflection point was demonstrated by seven AB, only three of eight PP, and no TP. Despite metabolic heat production (and E<jats:sub>req<\/jats:sub>) being similar between groups, evaporative heat loss was not large enough to obtain heat balance in TP, linked to a shortfall in evaporative cooling potential. Although PP possess a greater sweating capacity, the continual increase in T<jats:sub>gi<\/jats:sub> and T<jats:sub>sk<\/jats:sub> in most PP, although lower than for TP, implies that latent heat loss for PP is also insufficient to attain heat balance. <\/jats:p><jats:p> NEW &amp; NOTEWORTHY In the absence of convective heat loss, at temperatures around 37\u00b0C evaporative heat loss is insufficient to attain heat balance at rest in individuals with paraplegia and tetraplegia. This finding was directly linked to a shortfall in evaporative cooling potential compared with required evaporative cooling. In this environment, individuals with both paraplegia and tetraplegia cannot subjectively determine the magnitude of their thermal strain; thus perceptual responses should not be relied upon for this population group. <\/jats:p>","DOI":"10.1152\/japplphysiol.00893.2018","type":"journal-article","created":{"date-parts":[[2019,8,15]],"date-time":"2019-08-15T11:11:24Z","timestamp":1565867484000},"page":"995-1004","source":"Crossref","is-referenced-by-count":18,"title":["Evaporative heat loss insufficient to attain heat balance at rest in individuals with a spinal cord injury at high ambient temperature"],"prefix":"10.1152","volume":"127","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1962-9613","authenticated-orcid":false,"given":"K. 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