Physiology

On DSDs, the theory of testosterone, performance the CAS ruling on Caster Semenya

2019-05-02: The Caster Semenya controversy, or more accurately, the issue of DSDs in women's sport, is the most complex issue ever faced by sport. I…

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A short thought on sport: Evaluating Eliud. Is Kipchoge a next-gen 2:02 marathoner, or a mid-2:04 runner in a technologically superior shoe? Who knows?

2019-05-01: Eliud Kipchoge is a physiological marvel. The Nike Vaporfly is a technological marvel. Both improve marathon performance. Except these statements can't both be true, and…

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We need to talk about East African runners and general trust vs skepticism in performances

2019-04-25: The London Marathon on Sunday will almost certainly be won by an East African. This group may be one of the most fascinating in all…

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On Transgender athletes and performance advantages

2019-03-24: Ok, here goes. I’ve been meaning to write this for a while, but time and energy have not allowed it. But I’ve just been involved…

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4-bullet Friday: More on the age-elite athlete thing, you all rock, plus “My most interesting” links for you

2019-02-08: Real quick-fire today, with some links and things I found interesting this week: On Wednesday, I wrote a short thought on whether the conventional wisdom…

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The aging of elite performance: “Geriatric champions” and have the rules for getting older changed?

2019-02-06: Yesterday, I was sent this link. It says that Dwain Chambers, he of THG and a doping ban in 2004 (!), is making a comeback,…

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Letter to BJSM reinforcing call for retraction of IAAF research on testosterone in women

2018-08-02: Along with two prominent scientists, we have recently called for the research study on testosterone's effects in women athletes to be retracted. This research…

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The physiology of the cold: Why might women out-‘survive’ men?

2018-04-19: Boston 2018 was one for the archives. A brutally cold, wet and windy day made for incredible, unpredictable elite races, and a whole lot…

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Pacing physiology and the limit to performance: A #fourminute mull

2018-02-15: The latest four minute mull explores pacing strategies, physiology and fatigue. In so doing, I offer a theory for the limits to human performance…

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