Originally Posted by
Carbonfiberboy
I assume by threshold you mean ventilatory or lactate, etc.
AFAIK HRV won't help with that.
Yup. There are a few papers that suggest that HRV could be used to identify thresholds (like,
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7845545/) but I think they may be oversold.