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TTM
Kelvin
A mate of mine is just getting into doing some zwifting purely for general health and fitness reasons. He’s never done much in the way of regular exercise and I’m trying to give him some gentle pointers such as “maybe try not to mash around at <60 cadence all the time” and “maybe chill out a bit… it’s not surprising you feel fucked after 5mins if you treat every ride like a race”. We do a meet-up a couple of times a week and started out with him aiming for 2-3 30 min rides a week at easy conversational pace and he’s now up to 45-60 min rides. However his heart rate is suuuper high by my reckoning… around 165 for easy conversational effort (~100w) and a max of 197 today after a minute at 150w.
I know rules of thumb like 220-age are BS (he’s late 30s), but is there any good literature on inter-rider heart rate variability, what’s normal and what’s not, and the impact of training on HR values (I thought max hr was pretty inelastic to training?)?
Edit: I believe both hr and power numbers are at least reasonably accurate… power is from a decent quality smart trainer and hr from a wahoo chest strap and he says his hr has always been high.