Good Coach, Bad Coach: Motivation, Hormones, and Performance

From my column in today's Globe and Mail , a description of three very interesting experiments about how watching the right (or wrong) video or hearing the right (or wrong) words from a coach can instantly change your hormone levels and instantly make you faster and stronger (or slower and weaker): EXPERIMENT NO. 1: Motivation boost The set-up: A dozen volunteers watched six four-minute YouTube clips, one at a time, then hit the gym after viewing each film to test how much weight they could squat in three repetitions. The videos each displayed a specific emotion: sad, erotic, aggressive, “training motivational,” humorous or neutral. Saliva samples were collected before and after each showing of the videos to measure testosterone levels. The payoff: The aggressive video (a montage of big rugby hits) and the motivational video (a mixed martial arts fighter in training) cause...

Full article: http://sweatscience.runnersworld.com/2012/10/good-coach-b...

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From my column in today's Globe and Mail , a description of three very interesting experiments about how watching the righ...

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