Charge HR accurancy / amending heart rate and calorie burns?
elliej
Posts: 466 Member
So I'm a couple of months in my first ever fit tech - a charge hr.
My current issues:
#1 Heart rate. Aside from occasionally thinking I'm asleep if I read in bed at night or in the morning (assume this is lower resting heart rate connected; while actually asleep I have logged as low as 42bpm, at rest hover around 54bpm)... I don't feel like it is accurate always, it seems to take a long time to recognise when my heart rate drops after walking to the train etc. I can control my heart rate pretty well, ie getting it to slow with breathing, but when I do this and watch the screen it keeps blanking out while dropping from 108 to 65 in 20 seconds or so. Is that normal?
I have also found that occasionally while putting on or taking off my band my heart rate shows "spikes" (last time to 202 for 7 minutes! Pretty sure I'd die) it is throwing off my day average and just isn't right, I can't find any way to delete these anomalies though?
I also noticed if I don't sleep in my band my avg is /always/ 57bpm. Is that a coincidence?
#2 Calories syncing with MFP - why do I get an up to 950 cals extra on top of my MFP goal? How can I change this? Admittedly I have my MFP goal at 1200cals - I eat about 1500 and avg 10-15000 steps a day, 4 days a week that includes a 5km run on the treadmill. I'm still trying to lose weight, on my last 7 vanity pounds, but I would struggle to maintain at 2100 let alone lose. Do I just unsync?
My current issues:
#1 Heart rate. Aside from occasionally thinking I'm asleep if I read in bed at night or in the morning (assume this is lower resting heart rate connected; while actually asleep I have logged as low as 42bpm, at rest hover around 54bpm)... I don't feel like it is accurate always, it seems to take a long time to recognise when my heart rate drops after walking to the train etc. I can control my heart rate pretty well, ie getting it to slow with breathing, but when I do this and watch the screen it keeps blanking out while dropping from 108 to 65 in 20 seconds or so. Is that normal?
I have also found that occasionally while putting on or taking off my band my heart rate shows "spikes" (last time to 202 for 7 minutes! Pretty sure I'd die) it is throwing off my day average and just isn't right, I can't find any way to delete these anomalies though?
I also noticed if I don't sleep in my band my avg is /always/ 57bpm. Is that a coincidence?
#2 Calories syncing with MFP - why do I get an up to 950 cals extra on top of my MFP goal? How can I change this? Admittedly I have my MFP goal at 1200cals - I eat about 1500 and avg 10-15000 steps a day, 4 days a week that includes a 5km run on the treadmill. I'm still trying to lose weight, on my last 7 vanity pounds, but I would struggle to maintain at 2100 let alone lose. Do I just unsync?
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Replies
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Heart Rate Recovery (HRR) is a good fitness measurement - which is what you are observing.
It actually drops faster the higher you start - your range is a slow drop usually.
But if you think it's the device just being inaccurate - you got veins to use to confirm with - as strange as it may look.
In which case you've discovered the potential issues with HR reading optically - same problems going up too for many people - it can be lost, or all beats not seen so lower than reality.
MFP is trying to correct itself to a better estimate, hence the adjustment.
If you have that many steps daily and outside of exercise - you are getting big adjustments because you are not anywhere near Sedentary you likely have selected as activity level on MFP.
With syncing that's no big deal because of the correction - but if you unsync - help yourself by being honest with your activity level - probably Active.
And log the exercise when done in that case - can use Fitbit estimate in that case.
And last 7 lbs hopefully means a reasonable 250 cal deficit so not fighting your body and stressing it out.
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