TrainingApr 17, 20265 min readHRV-CV: What Volatility Tells You That HRV Alone Does NotMost athletes check today's HRV number and decide whether to train. The more useful signal is how stable that number has been over the last two weeks — and an unstable HRV means something different from a low one.
TrainingApr 14, 20266 min readThe Science Behind IntervalCoachEvery decision IntervalCoach makes is grounded in published sports science. Here is what the engine actually uses, from periodization models to taper curves to injury prevention, and why each piece matters.
TrainingMar 26, 20266 min readFive Periodization Models Explained: Which One Fits Your Training?Linear, Undulating, Block, Polarized, or Pyramidal? Each periodization model distributes intensity differently. Here is how they work, who they suit, and how to pick the right one.
TrainingMar 21, 20265 min readHow to Use CTL, ATL, and TSB to Train SmarterCTL, ATL, and TSB are the three numbers that drive smart training decisions. Here is what they actually mean, how to use them, and the mistakes that trip up most athletes.