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This fascinating segment from ESPN's Sport Science investigates the effects of cold environments on reaction time and movement. Using one SMARTSPEED patented reactive drills, Sport Science host John Brenkus is put to the test in freezing conditions - and the results speak for themselves. Another example that success in sport is not just about straight line speed.
![](https://i.ytimg.com/vi/AWDSZ7Q5_n4/maxresdefault.jpg)