I use my Forerunner 945 for everything except strength training. I find that wrist based optical sensors do not work very well when the wrist is constantly flexing. For that I use a separate HR monitor paired to the 945.
I use my Forerunner 945 for everything except strength training. I find that wrist based optical sensors do not work very well when the wrist is constantly flexing. For that I use a separate HR monitor paired to the 945.