Training Loadby mechgt Downloads: 12,931 • (48) • Reviews: 18 

mechgt wrote:Hmm... The default zone factors will set the lowest zone to 0 if the avg hr for that zone is low enough... if the default calculation would set zone factor for less than 0.2 then TL bumps it to 0. This should apply to your lowest HR zone. If you're using too few zones, or set it all up manually yourself then this may not be the case.
Anyway, 0.2 was an arbitrary number I chose myself because it tended to get the lowest zone to 0, but not affect any more zones, and it addressed the exact problem you describe. Lowest zone to 0 sounds like a good fix for your problem.
No no, why would you stop pedaling?!?!Stumpjumper68 wrote:... doesn't matter what you're doing, having sex on the bike witout pedaling...
mechgt wrote:Not quite. It's a completely different algorithm. TSS and Trimp scores are calculated completely different (one is cumulative and the other is an average type of calc) and the input data (HR & power) behave completely different. Power has an instantaneous response, HR lags effort.
Anyway, power does go to 0 sometimes, but those moments are in fact included in the calculation/score since TSS calcs are based on an averaging type calculation ('Normalized Power' is a modified averaging calculation). So all of the 0 watts moments in an activity bring your NP or avg. power down... thus they are included in the calculation.
NOTE: TSS is based on Norm. Power, but I use the term 'avg. power' above for simplicity and clarity.
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