31 May '12, 4pm

Pre-Cooling Boosts Endurance Performance

By Scott Douglas Before the 2004 Olympic Marathon, Deena Kastor donned an "ice vest" and sat in an air-conditioned room until minutes before the start. Over the latter stages of that race in Greek summer heat, she ran faster than anyone else and moved through the field to take the bronze medal. Did Kastor's pre-race cooling strategy play a role in her accomplishment? A review of research on the topic suggests the answer is yes. Writing in the journal Sports Medicine , German scientists say that their review of previously conducted studies finds an undeniable link between lowering one's body temperature before exercise and performance, most significantly before endurance exercise in the heat. Analyzing studies involving time trials (the closest lab simulation to real-world racing), the scientists found an average performance boost of 3.7% from pre-cooling. To put that figur...

Full article: http://news.runnersworld.com/2012/05/31/pre-cooling-boost...

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