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Does anyone know where the watch should be placed on your arm for proper HR monitoring while exercising? Or maybe anyone else experiencing these problems?

During exercise, I'm having the problem of my watch losing my HR. I'll look down and it's 160, and it's 71 thirty seconds later... mid exercise. Really beyond irritates me. (crossfit, HIIT, cross training type work outs)

I've tried tightening the band, loosening the band, and nothing seems to help.

I wear the watch about 1/4 inch above my wrist bone (toward the elbow). I have small wrists, and a very bony arm so I can't really place it closer to my hand.

Thanks!

I have the same issue. I get sporadic readings and sometimes even if I hold the watch on my arm and hold it still...it still takes like 4 tries to get it to read my
pulse. I'm not really sure what to make of it. When I exercise or even when I'm not..I'll often get measurements in the 50s when it should be above 120. I have it very snug in my wrist...too snug according to some here. I tried it one notch looser and the inaccurate reading become more frequent.
 
No matter where or how tight or loose my AW is worn, it fails to track my HR at times. So many time I will look at my watch and the HR is greed out or displayed with some ridiculous number like 50bpm while running. The whole health and fitness feature on the Apple Watch needs work. The Activity app could be so much more but it needs either hardware or software work on the watch that collects the data. Apple talked so much about the fitness thing . . . . . .
 
Not to rain on anyones parade here, but for those of you experiencing issues with heart rate monitoring, could it be you have vessels/arteries/capillaries that run a little deeper than most and thats why you are having issues? my watch slides up and down (about an inch or two) while I am running and I get consistent heart rate readings every 5-15 seconds during my workout. I am beginning to suspect that different physiologies of different skin types/densities/whatever may be affecting its abilities to acuractly track YOUR heart rate. I would test that theory by letting someone else wear it and allow it to do the heart rate glance to see what the reading is. There is a groovy app called "heart rate" on the app store that uses your phones camera and the flash LED to illuminate your fingertip and report a hear rate. So far i have found it to be within 1-2 bpm of the AW. You could use that to compare the readings....
Please note that while I am not a medical professional, I did stay at a Holiday Inn Express last night
 
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