Environmental temperature and exercise-induced blood oxidative stress

John Quindry, Lindsey Miller, Graham McGinnis, Brian Kliszczewiscz, Dustin Slivka, Charles Dumke, John Cuddy, Brent Ruby

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Previous research findings indicate that environmental temperature can influence exercise-induced oxidativestress responses, although the response to variable temperatures is unknown. The purpose of this study was to investigate the effect of warm, cold, and 'neutral,' or room, environmental temperatures on the blood oxidative stress associated with exercise and recovery. Participants (N = 12, age 27 ± 5 yr, VO2max = 56.7 ± 5.8 ml . kg-1 . min-1, maximal cycle power output = 300 ± 39 W) completed 3 exercise sessions consisting of a 1-hr ride at 60% Wmax, at 40% relative humidity in warm (33 °C), cold (7 °C), and room-temperature environments (20 °C) in a randomized crossover fashion. Rectal core temperature was monitored continually as participants remained in the respective trial temperature throughout a 3-hr recovery. Blood was collected preexercise and immediately, 1 hr, and 3 hr postexercise and analyzed for oxidative-stress markers including ferric-reducing ability of plasma (FRAP), Trolox-equivalent antioxidant capacity (TEAC), lipid hydroperoxides, and protein carbonyls. Core temperature was significantly elevated by all exercise trials, but recovery core temperatures reflected the given environment. FRAP (p < .001), TEAC (p < .001), and lipid hydroperoxides (p < .001) were elevated after warm exercise while protein carbonyls were not altered (p > .05). These findings indicate that moderate-intensity exercise and associated recovery in a warm environment elicits a blood oxidative-stress response not observed at comparable exercise performed at lower temperatures.

Original languageEnglish (US)
Pages (from-to)128-136
Number of pages9
JournalInternational Journal of Sport Nutrition and Exercise Metabolism
Volume23
Issue number2
DOIs
StatePublished - Apr 2013

Fingerprint

Oxidative Stress
Temperature
Lipid Peroxides
Humidity
Antioxidants
Research
Proteins

Keywords

  • Antioxidant capacity
  • Free radicals
  • Protein carbonyls
  • Reactive oxygen species

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Orthopedics and Sports Medicine
  • Nutrition and Dietetics

Cite this

Environmental temperature and exercise-induced blood oxidative stress. / Quindry, John; Miller, Lindsey; McGinnis, Graham; Kliszczewiscz, Brian; Slivka, Dustin; Dumke, Charles; Cuddy, John; Ruby, Brent.

In: International Journal of Sport Nutrition and Exercise Metabolism, Vol. 23, No. 2, 04.2013, p. 128-136.

Research output: Contribution to journalArticle

Quindry, J, Miller, L, McGinnis, G, Kliszczewiscz, B, Slivka, D, Dumke, C, Cuddy, J & Ruby, B 2013, 'Environmental temperature and exercise-induced blood oxidative stress', International Journal of Sport Nutrition and Exercise Metabolism, vol. 23, no. 2, pp. 128-136. https://doi.org/10.1123/ijsnem.23.2.128
Quindry, John ; Miller, Lindsey ; McGinnis, Graham ; Kliszczewiscz, Brian ; Slivka, Dustin ; Dumke, Charles ; Cuddy, John ; Ruby, Brent. / Environmental temperature and exercise-induced blood oxidative stress. In: International Journal of Sport Nutrition and Exercise Metabolism. 2013 ; Vol. 23, No. 2. pp. 128-136.
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