93 - Puppy Paws, Aerobic Thresholds, and Records Waiting to be Broken

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• 1:30 the UCI ban on ‘puppy paws’
• 4:30 3 cases of the aerodynamics of a larger rider
  • Baseline position: riding with a fairly low torso but with hands on hoods (forearms close to horizontal) yielded a CdA of 0.259
  • in ‘puppy paw’ posture yielded a CdA of 0.233, an increase in speed on flats of 1.5kph at 300W over baseline
  • Torso and arms similar to ‘puppy paws’ but hands wider and now on the hoods yielded a CdA of 0.236, an increase in speed at that same 300W of 1.3kph over baseline
• 12:15 Michael’s HRV DFA Alpha 1 experimentation update
• 21:00 breaking 7 / 8 strategies:
  • Downstream swim
  • Guter uber slippery on the bike
  • Run a 2:30 marathon

For more DFA A1 and aerobic threshold testing context, check out our conversation with Bruce Rogers.