Cycling Physiology


Tour 2013 rest day: Pondering the unanswerables with physiological implications

2013-07-08: Chris Froome's near-record ascent of Ax-3-Domaines asks some challenging physiological questions. Proof is impossible, but the implications warrant…

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Clean performances to surpass doped performances?

2013-07-06: A brief look at the the effect of doping on performance, with a view to predicting when, if ever, a clean performance will surpass a…

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Froome’s non-published TDF power output: Noise for ‘pseudoscientists’?

2013-07-05: Team Sky have refused to publish their cyclist's power outputs for fear of misinterpretation by "pseudoscientists". Does he have a point, or is transparency…

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The Power of the Tour de France 2013: Performance analysis groundwork

2013-07-03: The 2013 Tour de France gets underway this weekend, and in preparation for our analysis, I explain the principles and concepts behind analysing Tour mountain…

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Percentage of blood samples measured in professional cycling that had UNUSUAL reticulocyte percentages. Source: Zorzoli & Rossi, 2010

Biological passport: Effective fight or futile failure?

2011-03-20: Has the introduction of the biological passport influenced cycling? A look at performance, based on the science and legal factors behind the…

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Blood post passport

The Biological Passport: Legal, scientific and performance views

2011-03-16: It’s been just over a week since the Court of Arbitration for Sport released the¬†summary of its decision to issue bans to two Italian cyclists,…

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Quintana and Froome

Great power, great responsibility. Less power, greater speeds

2015-07-22: "With great power comes great responsibility", quoted Sky as they released Froome's power data from the Pyrenees. Only problem is that with less power than…

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EPO syringe

Comparative and longitudinal physiology

2015-07-21: There's been much talk of how physiological data - a VO2max - would validate or refute cycling performance. The reality is, as usual, a…

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Big four

Tinkov’s 3 Grand Tour challenge: Physiological, or folly?

2014-10-13: Oleg Tinkov has dangled a 1 million Euro purse to entice cycling's big four - Contador, Nibali, Quintana and Froome - into racing all three…

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