Cold water exposure
Cold water exposure
November 9, 2016
In the gym
Body measurements update (November)
December 4, 2016

Body temperature measurement tips and tricks

Body temperature measurements

Dear readers..

As you all now, recently I am quite engaged in metabolism optimization and having quite some difficulties identification of good metrics for progress evaluation. It is clear, that an excellent metrics are body temperature and puls rate. Surprisingly that, in contrary with bloodwork metrics, those are fairly easy and costless to measure and evaluate. Yet you have to be very careful with result evaluation because both metrics are very depended on natural rhythm of the body,  every hour can make a big difference.

Body temperature measurements

In my temperature log I was writing down data within range of 6:00 am – 8:00 am. It took for me few month to understand that few hours make up for big difference and temperature must be measured at exactly the same time each morning! One day I woke up early and tested different measurements (between them I was asleep).  There are the results:

5:00 am: ~ 35.8 (°C).

6:00 am: ~ 36.0 (°C). I Felt really hot, took a peace of clothing off. It means, that body wanted to lower body temperature.

7:00 am: ~ 36.3 (°C). I felt cold! Body wanted my help in heating up! I took peace of clothing on.

8:00 am: ~ 36.5 (°C).

When I look back on my results (my huge log, note included in this article) I can recognize clear corelation with precise measurement time and the result! During the day (9:00 – 20:00) my temperature typically is within 36.6 – 36.9 (°C) range. I am happy to announce, that this night my body was bit more metabolic then typically 😀 my temperature at 7:00 am was 36.5 (°C) ! I am not sure of other factors that could affect this variance, but surly I will try to investigate further.

Also I want to emphasize that I am doing “Under the arm (axillary temperature)” testing. Full list of options (souce: Wikipedia):

  • In the anus (rectal temperature)
  • In the mouth (oral temperature)
  • Under the arm (axillary temperature)
  • In the ear (tympanic temperature)
  • In the vagina (vaginal temperature)
  • In the bladder
  • On the skin of the forehead over the temporal artery

If I am comparing my results with ones, that are displayed in this Wikipedia diagram, then I am still behind.. But relevance of these results must be re-evaluated in the future (diagram lustrates daily rhythm impact also):

One of the next articles will be about different food impact on body temperature and pulse rate. In my opinion this could be a metric for food energy efficiency evaluation, but I have to read more and test it before sound conclusion is made. As you know certain foods can cause stress metabolism also: irritation, inflammation and so on.

Maris Dargis

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