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Intro to Power Estimate Modelling
Tweet It’s just physics, but it’s so much more. The original description of a complete mathematical model for estimating cycling power output has to go to Martin. But it was Antoine Vayer’s snarling...
View ArticleWhat is the Evidence Behind Bike Fit ?
Tweet Cycling related pain and overuse injury is historically very common among cyclists. From a 1 year recall period cyclists reported complaints related to the neck (48.8 %), knees (41.7 %),...
View ArticleEvidence Based Sports Nutrition
Tweet In the search for a competitive edge athletes often look to the practices of top athletes, or the latest theory from a popular guru. By chance, this approach will sometimes lead to a true...
View Articleveloclinic Bike Fit Procedure
Tweet Velo Clinic Bike Fit Bike fit Bike fit is the process of optimizing the three dimensional configuration of the cleats, seat, and handlebars for the individual cyclist. Permissive Bike Fit The...
View ArticleDerivation of the Candidate Mean Maximal Power Duration Models
Tweet Description of the derivation of the veloclinic Mean Maximal Power Duration Models. Click here for the pdf: Power Model Derivation Also see the Video Explainers Tweet The post Derivation of the...
View ArticleVideo explainers of the veloclinic Mean Maximal Power Duration Models
Tweet DerivationPart 1 The Equations Part 2 Example Fits Also see the Derivation. Below are the equations since they are a little hard to see in the video. #2 secret exp top linear bottom fo <- y~...
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2014 Giro d’Italia Climb Preview
Tweet The upcoming 2014 Giro d’Italia features 6 that are likely to play a role in shaping the final podium. As with previous Grand Tours, @ammattipyoraily is my go to source for the most consistent...
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Veloclinic Plot (W’ envelope plot)
Tweet This post introduces a new way of plotting performance to better visualize W’ and Critical Power. I haven’t seen anyone plot performance this way, so I’m going to take the liberty to name it the...
View ArticleCyclists Needed For Performance Modelling Study
Tweet We are currently recruiting participants for a performance modelling study. Requirements for participation are that you race and train with a power meter. Please contact Dr Jonathan Baker;...
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Rethinking Intermittent Modelling
Tweet Previous attempts have have focused on either trying to normalize power to Critical Power/Functional Threshold Power: nP = %CP^4 or vessel approaches of trying to dynamically track W’/FRC...
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The Imminent Arrival of Reward Side Anti-Doping
Tweet For longer than I’d like to admit, I have been advising on Clean Protocol based out of Australia. I say longer than I’d like to admit because it has taken so damn long to get to the point were...
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Comparing Performances Across Grand Tours
Tweet One of the fun parts about modelling climbing performances in Grand Tours is the ability to make historical and virtual head to head comparisons. In the figure above the grey dots are the...
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Athlete Biological Passport For Level Change Detection
Tweet One of the weaknesses of the current Athlete Biological Passport software seems to be an over-emphasis on outlier detection versus level change detection. To illustrate this point consider the...
View ArticleInvitation to Clean Athletes competing in the 2014 Ironman World Championship
Tweet Invitation to Clean Athletes from Clean Protocol. Tweet The post Invitation to Clean Athletes competing in the 2014 Ironman World Championship appeared first on veloclinic.
View ArticleDeveloping a test for match fixing, an illustrative example
Tweet Match fixing may not be the first topic that springs to mind when thinking about the problem of doping and what to do about it. But it is a useful one. It forces the discussion to step well...
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Estimating the Probability of Doping as a Function of Power
Tweet A repeating theme heard in performance analysis discussions is that “Performance doesn’t prove doping.” Of course this is true because proof, as an absolute, doesn’t really exist. Instead, most...
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GoldenR Cheetah Script For Interval Discovery
Tweet The Golden Cheetah crew has now integrated R into Golden Cheetah in the latest development build. This update instantly gave Golden Cheetah statistical and modelling super-powers to the point...
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GoldenR Cheetah Script for Visualizing Delta W’balance By Interval
Tweet In the white is Skiba’s W’balance that you all know and love. I’ve combined this now with the interval discovery algorithm so that we can now visualize the change in W’bal by interval in green....
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A Transverse Doping Probability Passport: A Conceptual Illustration
Tweet Athlete doping rarely happens in isolation. So why do ADAs try to tackle the problem that way? Consider this toy model of the social structure of a doping network. We may have individuals who...
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A Bayesian approach to boost individual anti-doping classification accuracy...
Tweet Purpose: To demonstrate a Bayesian approach utilizing the athlete network to boost the positive predictive value of individual doping classifications. Study Design and Methods: Five data-sets...
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