4min chapter

HRV Q&A#2: Slow vs. Fast Breathing, Arterial Baroreflex Sensitivity, Nervous Systems Explained.

Hanu HRV

CHAPTER

EEG - How Do We Measure Heart Rate Variability?

When we have a greater variability in the time of domain between interby intervals of heart rate that are more than 50 millo seconds, then that's indicative of better vagal control. We can do the same thing with heart rate data to look at cardio respiratory fitness and h r v values. A the next thing would be comparing time domain and disease to frequency domain and disease. Whereas time is a little bit more straightforward, frequency to be a littlebit more complex.

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Speaker 2

Ye, and

Speaker 1

that somang tat lower intensity, let's say, like loks may be zoned to type training, so lower heart rate training a we see kind of transient or acute post exercise effects of increases in h excectly

Speaker 2

while measuring yoresting at gan self pace breathing. And we can see some sort of overshooting there, where it can go maybe a hundred and 20 % of fre exercise or a bit higher. That's quite interesting, because if you do a slightly higher intensity exercise, you know, tho three or higher, then yous see what expect. So an acute suppression. And the harder the exercise, the harder, the longer the suppression it will last. So that the again, is indicative of the recovery and almost that process. But yet, the most fascinating bit for me is really the o the nowing tas the exercise does not trigger that suppression, but sometimes even goes the other way around. Thats

Speaker 1

really, as the eye ave not seen research, which is so cool to me, because i'm a huge advocate of zone to training because of the cordial respiratory effects, because of the mitochondrial enhancement. And i've seen that the more that i engage in kind of good, consistent zone to training, that i have better h r v static reeds. I have increased aa metric on this end, but i didn't know that you could do it just right after, just post exercise, and you could potentially see those significant, like effects that i'm assuming these are, you kno vegal effects, cardio respiratory effects that we're seeingitust super fascinating. But then, you know, if you move up into the zone two, zone ouno sa, zone three, zone four, and especially no, zone five, then you're not going to see that. You're going to see what you would expect, which would be significant drops in h r v, which people should also note, is not a bad thing, like it's expected. Ah, thatust. That absolutely fascinates me. Tro custav ye

Speaker 2

y, i think that thas e interesting. Et. Some research that was done by stephen siler, i think, already almost 15 years ago, and then was not really receiving much follow up. So we are actually working together now in potentially starting a larger study. You know, things again, the tarall just changed. There are so many people using these tools, so some sort of usan generated made a setin which people can contribute and contest these, and then we can maybe better understand these effects. So o soably, we we know more soon. Yeh

Speaker 1

ye.