Originally Posted by
Carbonfiberboy
If you want to investigate HRV, you have to have the right HR sensor. Wrist and optical sensors are useless for HRV and IMO for sports use
I’m sure you are right about HRV, but aside from that I have found the Polar optical wrist/arm band sensor to be excellent. I hate wearing a chest strap while riding and found this to be a great solution. DC Rainmaker was also a big fan of this sensor. I have the older version.
https://www.google.co.uk/amp/s/www.d...eview.html/amp