Table 2.

Temperature variations values obtained from the different body ROIs (regions of interest) at the three measurement times in the three tests (20°, 30° and 40° knee flexion angle test)

ROI	ΔT					ΔT10					ΔTafter
	Average ± SD			Reproducibility		Average ± SD			Reproducibility		Average ± SD			Reproducibility
	20°	30°	40°	Typical error	ICC	20°	30°	40°	Typical error	ICC	20°	30°	40°	Typical error	ICC
Chest	0.8 ± 1.3	0.6 ± 1.2	0.5 ± 1.5	0.3	0.74	−0.2 ± 1.1	−0.3 ± 1.2	−0.1 ± 1.1	0.24	0.67	−1.0 ± 0.8	−0.8 ± 1.1	−0.6 ± 1.1	0.22	0.67
Abdomen	−0.3 ± 1.3	−0.7 ± 1.4	−0.8 ± 1.3	0.28	0.56	−0.6 ± 0.9	−0.8 ± 1.2	−0.5 ± 1.0	0.21	0.46	−0.4 ± 1.1	−0.1 ± 0.9	0.3 ± 1.0	0.22	0.63
Upper back	0.1 ± 1.3	−0.3 ± 1.4	−0.2 ± 1.5	0.32	0.73	−0.3 ± 1.2	−0.2 ± 1.1	−0.1 ± 1.0	0.24	0.61	−0.4 ± 0.7	0.1 ± 0.8	0.1 ± 0.8	0.17	0.6
Lower back	0.7 ± 1.5	0.3 ± 2.2	0.1 ± 2.6	0.48	0.7	−0.2 ± 1.6	−0.2 ± 1.6	−0.0 ± 1.5	0.35	0.69	−0.9 ± 0.8	−0.4 ± 0.9	−0.1 ± 1.7	0.24	0.43
Vastus lateralis	0.7 ± 1.2	1.0 ± 0.9	0.8 ± 0.9	0.22	0.62	1.0 ± 1.0	1.6 ± 0.8	0.6 ± 0.8	0.14	0.17	0.3 ± 0.7	1.2 ± 0.6	0.5 ± 0.7	0.16	0.52
Rectus femoris	0.6 ± 1.2	1.0 ± 0.9	0.7 ± 0.9	0.21	0.14	1.0 ± 1.0	1.5 ± 0.8	1.1 ± 0.7	0.14	0.11	0.4 ± 0.6	0.5 ± 0.8	0.4 ± 0.6	0.14	0.62
Abductor	−0.2 ± 1.1	0.4 ± 1.0	0.0 ± 0.8	0.18	0.33	0.3 ± 1.0	0.9 ± 0.9	0.5 ± 0.7	0.15	0.14	0.5 ± 0.7	0.5 ± 0.7	0.5 ± 0.6	0.13	0.54
Vastus medialis	0.8 ± 1.2	1.1 ± 0.8	0.9 ± 0.8	0.2	0.6	1.1 ± 1.1	1.5 ± 0.7	1.3 ± 0.5	0.14	0.22	0.3 ± 0.7	0.4 ± 0.8	0.3 ± 0.7	0.16	0.68
Biceps femoris	−0.5 ± 1.3	−0.4 ± 0.9	−0.8 ± 0.9	0.19	0.26	0.2 ± 1.0	0.4 ± 0.7	0.1 ± 0.7	0.15	0.32	0.7 ± 0.7	0.8 ± 0.7	0.9 ± 0.6	0.14	0.56
Semitendinosus	−0.5 ± 1.2	−0.5 ± 1.0	−0.7 ± 0.9	0.21	0.47	0.3 ± 0.8	0.4 ± 0.8	0.2 ± 0.7	0.15	0.44	0.8 ± 0.7	0.9 ± 0.7	0.9 ± 0.5	0.14	0.66
Knee	1.3 ± 2.0	1.4 ± 2.1	1.0 ± 2.3	0.48	0.73	1.3 ± 1.7	1.8 ± 1.8	1.4 ± 1.4	0.34	0.52	−0.1 ± 0.8	0.4 ± 0.8	0.4 ± 1.0	0.19	0.6
Popliteus	−0.6 ± 0.9	−0.4 ± 0.7	−0.8 ± 0.6	0.14	0.32	−0.0 ± 0.6	0.3 ± 0.7	0.0 ± 0.4	0.09	0.11	0.6 ± 0.5	0.8 ± 0.6	0.8 ± 0.4	0.09	0.27
Tibialis anterior	−1.0 ± 1.3	−0.6 ± 1.1	−1.2 ± 1.0	0.24	0.53	−0.2 ± 0.8*	0.3 ± 0.9*	−0.3 ± 0.6	0.16	0.45	0.7 ± 0.8	0.9 ± 0.6	0.9 ± 0.7	0.14	0.54
Gastrocnemius	−0.8 ± 0.9	−0.6 ± 0.8	−1.0 ± 1.0	0.18	0.45	0.1 ± 0.6	0.3 ± 0.6	−0.1 ± 0.6	0.11	0.21	0.9 ± 0.6	0.9 ± 0.5	1.0 ± 0.5	0.1	0.36
Ankle anterior	0.5 ± 1.4	0.5 ± 1.6	0.0 ± 1.6	0.33	0.58	0.6 ± 1.1	1.0 ± 1.3	0.3 ± 1.0	0.23	0.51	0.1 ± 0.8	0.5 ± 0.9	0.3 ± 0.7	0.16	0.38
Achilles	0.6 ± 1.6	0.7 ± 2.1	0.1 ± 1.8	0.39	0.57	0.3 ± 1.4	0.5 ± 1.9	−0.1 ± 1.4	0.33	0.53	−0.3 ± 0.6	−0.2 ± 0.8	−0.2 ± 0.7	0.14	0.45

Typical error and Intra-class correlation coefficient (ICC) was calculated to determine the intraday reproducibility

Statistical significant difference was observed in tibialis anterior between the knee at 20° and 30° (p < 0.05) and it is indicated with italics letters and *