Supraclavicular skin temperature and BAT activity in lean healthy adults

Table 2 Body temperatures during thermoneutral and mild cold conditions during the cooling protocol

	Air-cooling
Mean skin (°)
Thermoneutral	33.1 ± 0.6
Mild cold	29.3 ± 0.8^a
Change upon cold stimulation	−3.8 ± 0.6^b
Core (°)
Thermoneutral	36.8 ± 0.2
Mild cold	36.9 ± 0.3
Change upon cold stimulation	0.02 ± 0.22
Gradient underarm-fingertip (°)
Thermoneutral	−0.10 ± 1.8
Mild cold	7.6 ± 2.4^a
Change upon cold stimulation	7.9 ± 2.9^b
Distal (°)
Thermoneutral	30.8 ± 1.2
Mild cold	22.3 ± 1.3^a
Change upon cold stimulation	−8.5 ± 1.2^b
Proximal
Thermoneutral	33.8 ± 1.2
Mild cold	31.6 ± 1.1^a
Change upon cold stimulation	−2.2 ± 0.7
Gradient core-mean skin (°)
Thermoneutral	3.0 ± 1.4
Mild cold	7.6 ± 0.8^a
Change upon cold stimulation	3.8 ± 0.5^b
Forehead (°)
Thermoneutral	35.0 ± 0.6
Mild cold	33.2 ± 0.8^a
Change upon cold stimulation	−1.8 ± 0.6^b
Left upper chest (°)
Thermoneutral	34.2 ± 1.8
Mild cold	32.0 ± 1.4^a
Change upon cold stimulation	2.2 ± 1.0^b
Left upper arm (deltoid muscle) (°)
Thermoneutral	33.4 ± 0.9
Mild cold	29.4 ± 1.5^a
Change upon cold stimulation	−4.0 ± 1.0^b
Supraclavicular (°)
Thermoneutral	35.3 ± 0.5
Mild cold	34.5 ± 0.7^a
Change upon cold stimulation	−0.9 ± 0.6

Values are expressed as mean ± SD
Paired samples t test was used to test the effect of the cooling protocol and to test the difference with the change in supraclavicular skin temperature
^a P < 0.01 mild cold vs. thermoneutral; ^b P < 0.01 supraclavicular vs. other skin temperatures

ISSN: 1880-6562