100% not trying to self promote, but looking for some advice since a fair few members are current / ex physicians and endurance athletes. Just trying to provide as much information as possible to make the advice relevant.
My average heart rate seems a bit high to me. I have a resting heart rate of 47 BPM but that can quickly jump to the high 170s or low 180s when I go on longer slightly faster runs (5:30-5:45/KM). I can keep it under control if I go a tad slower and get it to the 150s or 160s when going 6:00-6:30/KM. Does this mean I am unfit or just that my heart is able to pump well and quickly? I do not have this issue as much when cycling and can hold 28-30KM/H speed over 50+KM distances with 150-160 BPM.
For reference, I am around 5'6" and about 150lb with sub 10% BF.
Am training for longer distance bike and running races so want to have an idea that this is ok / normal and my heart wouldn't give out at KM 30 lol.
Bump, interested in the science behind this. Seems like my heart rate stats vary quite a bit between when I’m sitting around or exercising.
Fitbit numbers fluctuate randomly and I have no idea why those stats keep changing. At times it shows 70, 60 or 90bpm. The numbers change between one day and the next, or even within the same day. Is this unhealthy? If so, what do I do to normalize this
I don’t understand the fluctuations either. I was thinking that Fitbit may want to incentivize people to go to the gym by making it seem like we’re less healthy than we actually are, or that we are actually just unhealthy and need to work out / do cardio to be more fit. Or are we overthinking, and do we just shed calories over time from sitting around, and rhr stabilizes over time?
Thing is I had the 47BPM RHR measured by a nurse with a pressure cuff (and a pressure of around 130-135/73) but the higher BPMs from my Garmin which I do think can be a fair bit inaccurate. For reference, I did a 13k over an hour ago and am just cooking soup but it says my RHR is low 70s high 80s which seems very strange. Am thinking the exercise measurements may be a bit off too.
If a person has a high resting heart rate, is it because they're overweight, out of shape or anxious? Does working out help people stabilize RHR and lose extra calories, or would taking walks + doing deep breathing exercises in bed be enough? I don't know the answers. I don't always feel incentivized to work out, even though I know I probably should, but just choose to stay in bed sometimes. I'm kind of overweight, yet for some reason I think even if I don't work out much aside from walking, that I can still be relatively fit, but I might be completely wrong on that. Meanwhile my brother has a very high metabolism and can actually just lose weight as is, so he may look really skinny but I think he should try to exercise to put on some muscle, and he also may have somewhat high bp.
Working out generally lowers RHR.
Also, ask your question on Slowtwitch:
Slowtwitch Forums: Triathlon Forum
I thought I was the only one here who posted on that forum lol
haha nice
How do you feel at 170-180bpm?
The pace is probably slightly beyond your lactate threshold so you need to run slightly slower pace to stay aerobic / zone 2.
I feel fine. I feel the effort but am not panting heavily or gasping for air / have chest tightness. Feels good overall.
You could have a higher max heart rate that results in higher than average but its more than likely that your fit but just not yet adapted well to running. If you keep running biomechanics and neuromuscular adaptations should hopefully bring it down as your running specific endurance improves.
How long would it generally take to see these improvements?
Honestly not too sure so take this with a pinch of salt but I'd expect within a month or so of running regulary. Got to remember being "fit" doesn't mean your going to be good at running necessarily, you may be a much better cyclist than you are runner but still be objectively fit
That is not healthy BF at all. Not sustainable. How's your bed game. I know it will surely impact the hormonal balance
I bet his stated body fat is inaccurate.
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