Physiology

The Caster Semenya debate

2016-07-16: Caster Semenya won the Monaco 800m in 1:55.33, at a canter, and is the surest bet for gold in Rio 2016. She's also the surest…

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Hyperandrogenism and women vs women vs men in sport: A Q&A with Joanna Harper

2016-05-23: Caster Semenya's likely gold medal in Rio is going to be one of the most controversial stories of the Games, if not the history of…

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Low carbohydrate diets: A plea for balance, scientific rigour & death to dogma

2016-04-05: After five years of watching bad science, defensiveness from both sides, and extremist advocacy rather than balance, I've written an article which is an appeal…

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The 2-hour marathon and the 4-min mile

2014-12-16: A recently launched group plans to help runners go under 2 hours for the marathon in five years. is it feasible? For many reasons,…

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“177” – The Sub-2 hour marathon and East Africa’s super-runners

2014-10-14: Marathon running is in a golden era, the 2-hour barrier approaching. Kenyans in particular have led the charge, raising some of the most fascinating…

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Perception is everything. Or is it? The simplification of fatigue

2014-05-13: Fatigue is complex. Yet scientists continue to simplify it for the sake of their arguments. I offer a critique of this approach, and some…

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Kenyan runner’s dramatic finish. But is it an “insult” & “slavery”?

2014-05-01: A dramatic video of a Kenyan marathon runner staggering to the finish line sparked criticism and debate. I discuss the physiology & medical dilemma of…

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The rise of Kenya

2014-03-07: The marathon has seen an extra-ordinary explosion in quality and quantity over the last 20 years. Its epicenter is Kenya. I look at…

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Symmetrical knees and sprint performance: The Jamaican secret?

2014-01-08: A recent study found that sprint performance in Jamaicans was related to the symmetry of their knees. The media pounced, and explained Usain Bolt's…

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