Help heart rate drift test part 2

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February 11, 2020 at 10:01 pm #38003

rockwind1
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So I redid my drift rate test and got it to do a graph on wahoo fitness. I was nice and warmed up and I had just done a pretty good weightlifting session so I set the Treadmill 23.5% and 3.3 speed and my heart rate seem to be pretty stable at 105-107 BPM’s. My average for the whole hour was 107 but I got these spikes up to 123 but I also got some very low spikes as well, anyways I’m guessing that my aerobic threshold would still be higher? Or do I have complete ADS? If anyone smart could give me their opinion I would so very much appreciate it

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Posted In: General Training Discussion

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Jan on February 12, 2020 at 2:55 am #38006

First, don’t do this test after a weightlifting session. Be rested.
You need to warm up running. Then you need the average HR of the first 30 minutes (the warm-up doesn’t count) and the average HR of the second 30 minutes.
I wouldn’t call it a stable HR when it suddenly is 17 beats higher, but I can’t tell you why this happens. Maybe just not lifting weights before helps.

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rockwind1 on February 12, 2020 at 7:11 am #38007

as far as the weightlifting, it was only arms and while walking on the treadmill, my arms just dangled there the whole time, would it really make that much of a difference? maybe i will try it again.

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Dada on February 12, 2020 at 4:50 pm #38057

You can test with higher HR (hint: What’s your Maffetone HR?).

And it would be helpful to provide the average for first and second half ?

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rockwind1 on February 12, 2020 at 10:26 pm #38085

Hi dada

I will do the test in 2 halves next and will try it at 115 bpm

My Maffetone based on age is 125

The other day I took pushed myself hard at a spin class and only got my max heart rate to 140.

I haven’t really trained at all for a couple years but I haven’t been sick or injured. I get most of my exercise taking my dog for hikes. I have not tried the anT test yet

Thanks for your response

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Anonymous on February 13, 2020 at 9:51 am #38118

@rockwind1: Is “speed 3.3” kph or mph?

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Michaeltyoung on February 13, 2020 at 12:02 pm #38128

Reiterating what rockwind1 said: don’t do an AeT test after weightlifting. My heart rate during an aerobic run is usually ~5-10 bpm higher if running after doing weights or a core circuit. It doesn’t seem to matter what muscle group. I think it’s more about sympathetic elevation than muscle fatigue.

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rockwind1 on February 14, 2020 at 11:11 am #38178

So here is a repeat test. The first graph is the first half hour the second graph is the second half hour. There’s really no difference between them. I tried to start the test when I was about 110 bpm. I had set the treadmill at 4.5% grade and 3.5 miles per. If I go by the average, there is essentially no difference so perhaps aerobic threshold is higher than I would’ve thought. I didn’t sweat that much just my forehead essentially and I was mouth breathing but not hard

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rockwind1 on February 14, 2020 at 11:53 am #38180

here the second half hour

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Michaeltyoung on February 14, 2020 at 12:07 pm #38182

So in the first post when you said 23.5% grade at 3.3 was that a typo? 23.5% is way different than 4.5% grade.

I wouldn’t recommend testing AeT at 4.5% grade. 4.5% AeT pace might be closer to a running pace than than a hiking pace for you.

If you’re a runner you can also do the test at 0% grade or 1% grade (or i guess 4.5%) to find your running AeT, but if you don’t have decent miles under your belt, what is metabolically AeT is going to feel more muscular (i.e. tiring) and require more recovery than hiking at a steeper grade at AeT will. That’s not to say you shouldn’t do training runs on flats or easy inclines like 4.5%, but without a running background you should start by finding AeT while hiking.

Do the test at the highest incline your treadmill will allow. Hopefully the grade is 15% rather than 10%. If you’re lucky and have a treadmill that goes above 15%, all the better.

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Anonymous on February 14, 2020 at 2:04 pm #38198

What @michaeltyoung said!

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rockwind1 on February 14, 2020 at 6:37 pm #38202

Yes that was a typo,,,meant 3.5%. I picked 4.5% On the next attempt Because 3.5 mph is a comfortable walking pace and the only way to increase my heart rate to where I wanted to be for the test was to increase the incline. I’m not a runner, more of a hiker. I was definitely trying to use hiking as the basis for the test. Should I try and get my heart rate up towards 115 or 120 for the test? Do those last two graphs pretty much mean nothing or is there any type of help there to help me figure out my Aet? My goal here is to Hopefully get a close idea of what my zones are.

So I guess I will try this test again but I will put the treadmill at at least 15% and I will set the pace for whatever has my heart rate around 115-ish and then do it for 2 1/2 hour blocks.

I just reread the instructions and Sure enough it says to start at 10% grade at least. Not sure how I missed that but thanks for the tips

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Dada on February 15, 2020 at 1:41 am #38211

I would go with your Maffetone HR since you are not showing any signs of drift.

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Anonymous on February 15, 2020 at 10:17 am #38226

Maffetone is a last resort if you don’t have any better information. The drift test will give you better information.

It’s hard to suggest a certain heart rate. Your previous test had no drift, and heart rates are unique for each person. Choose the highest pace where you can comfortably maintain a conversation. Let the pace determine your heart rate.

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