Br J Sports Med doi:10.1136/bjsm.2009.063024
  • Editorial

Exercise and Heat Stress: Performance, Fatigue, and Exhaustion - A HOT Topic

  1. Zachary J Schlader*,
  2. Stephen R Stannard,
  3. Toby Mundel
  1. Massey University, New Zealand
  1. Correspondence to: Zachary J Schlader, Institute of Food, Nutrition, & Human Health, Massey University, Institute of Food, Nutrition, and Human Health, Private Bag 11 222, Palmerston North, 4442, New Zealand; z.j.schlader{at}
  • Received 8 June 2009
  • Accepted 3 September 2009
  • Published Online First 20 October 2009


The attenuation of exercise duration/performance during exercise in the heat has spawned the use of exercise and heat stress as a model for fatigue. However, the mechanisms underlying premature fatigue in the heat remain unclear and have been debated accordingly. Principle to this debate is the use of both fixed-intensity and self-paced exercise protocols which have produced seemingly opposing theories. However, a retrospective analysis of previously published data suggests that these theories are in fact complementary and act together in order to maintain thermoregulation and prevent the development of exertional heat stroke.


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