The ultrarunner and mountaineer finds peace through doing unimaginably hard things. By Lulu Garcia-Navarro My experience tells me that he is making a poor decision and will pay for it. By Kwame ...

Background: A high level of strength is inherent in elite soccer play, but the relation between maximal strength and sprint and jumping performance has not been studied thoroughly. Objective: To ...

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Greek football has an ambitious plan to reform how the game is played in the country Yorick Jansens/Getty Images 480BC. A force of some 7,000 men, led by the Spartan king Leonidas, guard the narrow ...