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Old 08-05-22, 01:30 PM
  #14  
chiggy
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Short answer: Ignore it.

Long answer: From the googling I have done in the past the unproductive status means that your training load is in a good range but the "VO2 Max" that the device calculates has decreased. So despite your good effort your fitness is decreasing either because of poor training or you've just accumulated fatigue. So in this case unproductive means "your training isn't working". All of this should be ignored for 2 reasons:
1) the VO2 Max that the device calculates is inaccurate, even relative to itself. (it's based on HR during steady efforts at sub threshold speeds)
2) Everyone knows that fatigue will suppress the expression of your fitness, and nobody ever improved without a little fatigue. So even if your HR to watts ratio really did increase because of some hard training, it doesn't mean your training isn't working.
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