Table 1.
Relationship between near-infrared time-resolved spectroscopy (NIRTRS) parameters at 27 °C or 19 °C and cold-induced thermogenesis (CIT) a.
| Supraclavicular Region | Deltoid Muscle Region | ||
|---|---|---|---|
| [total-Hb] | 27 °C | 0.64 ※ | 0.24 |
| 19 °C | 0.48 ※ | 0.21 | |
| [oxy-Hb] | 27 °C | 0.62 ※ | 0.25 |
| 19 °C | 0.49 ※ | 0.15 | |
| [deoxy-Hb] | 27 °C | 0.70 ※ | 0.20 |
| 19 °C | 0.40 | 0.30 | |
| StO2 | 27 °C | −0.38 | 0.20 |
| 19 °C | −0.11 | −0.24 | |
| μs’ | 27 °C | −0.02 | 0.30 |
| 19 °C | 0.08 | 0.39 |
Determined as averages of near-infrared time-resolved spectroscopy and cold-induced thermogenesis (CIT), results for 18 young lean men in an air-conditioned room at 27 or 19 °C. ※ p < 0.05.