Table 1.

Absolute temperature 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	Before cycling					Immediately after cycling					10 min after finishing cycling
	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	32.8 ± 1.2	32.6 ± 0.9	32.6 ± 0.6	0.21	0.69	33.6 ± 0.8	33.2 ± 0.9	33.1 ± 1.2	0.22	0.63	32.6 ± 0.8	32.4 ± 1.1	32.5 ± 1.0	0.22	0.69
Abdomen	32.5 ± 1.5	32.3 ± 1.2	32.3 ± 0.9	0.28	0.8	32.2 ± 1.3	31.5 ± 1.4	31.5 ± 1.3	0.29	0.6	31.8 ± 1.2	31.5 ± 1.6	31.8 ± 1.3	0.31	0.75
Upper back	33.5 ± 1.0	33.4 ± 0.9	33.2 ± 0.7	0.19	0.71	33.6 ± 0.7	33.1 ± 1.1	33.1 ± 1.2	0.23	0.66	33.2 ± 0.9	33.2 ± 1.0	33.2 ± 0.9	0.22	0.73
Lower back	32.7 ± 1.4	32.5 ± 1.2	32.4 ± 0.8	0.25	0.7	33.4 ± 1.0	32.7 ± 2.0	32.5 ± 2.4	0.41	0.63	32.5 ± 1.3	32.3 ± 1.6	32.4 ± 1.5	0.34	0.79
Vastus lateralis	32.1 ± 1.0	31.3 ± 1.2	32.1 ± 1.0	0.21	0.44	32.5 ± 1.3	32.3 ± 1.6	32.2 ± 1.2	0.31	0.73	32.8 ± 1.0	32.9 ± 1.0	32.6 ± 0.6	0.19	0.6
Rectus femoris	31.7 ± 1.2	31.2 ± 1.3	31.3 ± 0.9	0.25	0.57	32.3 ± 1.3	32.2 ± 1.7	32.1 ± 1.2	0.32	0.69	32.7 ± 1.1	32.7 ± 1.0	32.4 ± 0.9	0.22	0.61
Abductor	31.8 ± 1.6	31.3 ± 1.4	31.6 ± 1.0	0.31	0.72	31.6 ± 1.6	31.7 ± 1.3	31.6 ± 1.0	0.31	0.66	32.1 ± 1.2	32.2 ± 1.1	32.0 ± 1.2	0.25	0.62
Vastus medialis	32.1 ± 1.3	31.6 ± 1.3	31.8 ± 0.8	0.26	0.65	32.9 ± 1.4	32.8 ± 1.5	32.7 ± 1.2	0.32	0.79	33.2 ± 1.0	33.2 ± 1.0	33.0 ± 0.8	0.21	0.74
Biceps femoris	32.1 ± 1.3	31.6 ± 1.3	31.8 ± 0.8	0.25	0.6	31.6 ± 1.0	31.2 ± 1.4	31.1 ± 1.0	0.25	0.64	32.3 ± 0.9	31.9 ± 1.1	31.9 ± 0.9	0.21	0.65
Semitendinosus	32.5 ± 1.3	31.9 ± 1.4	32.1 ± 0.8	0.27	0.66	32.0 ± 1.1	31.5 ± 1.5	31.4 ± 1.0	0.27	0.69	32.8 ± 0.9	32.4 ± 1.1	32.3 ± 0.8	0.22	0.68
Knee	30.9 ± 1.4	30.3 ± 1.8	30.4 ± 1.3	0.31	0.53	32.2 ± 2.0	31.6 ± 2.3	31.4 ± 2.3	0.53	0.85	32.1 ± 1.7	32.1 ± 1.8	31.8 ± 1.6	0.4	0.85
Popliteus	32.8 ± 1.1	32.3 ± 1.0	32.5 ± 0.7	0.2	0.63	32.2 ± 0.7*	31.9 ± 1.0	31.6 ± 0.7*	0.17	0.54	32.8 ± 0.8	32.7 ± 0.7	32.5 ± 0.6	0.15	0.61
Tibialis anterior	32.5 ± 1.2	32.0 ± 1.1	32.3 ± 0.8	0.2	0.62	31.5 ± 0.9	31.5 ± 1.1	31.1 ± 1.2	0.22	0.51	32.2 ± 0.7	32.4 ± 0.9	32.0 ± 0.8	0.17	0.62
Gastrocne-mius	32.5 ± 1.0	32.1 ± 0.9	32.2 ± 0.7	0.19	0.63	31.8 ± 0.9	31.6 ± 1.3	31.2 ± 1.0	0.25	0.7	32.6 ± 0.7	32.4 ± 0.9	32.1 ± 0.8	0.18	0.63
Ankle anterior	31.6 ± 1.2	30.9 ± 1.4	31.2 ± 0.8	0.24	0.5	32.1 ± 0.9	31.4 ± 2.0	31.3 ± 1.7	0.33	0.52	32.2 ± 0.8	31.9 ± 1.5	31.6 ± 1.2	0.26	0.65
Achilles	30.4 ± 1.4	29.6 ± 1.9	29.8 ± 1.0	0.31	0.5	31.1 ± 1.8	30.2 ± 2.3	29.9 ± 2.3	0.49	0.72	30.7 ± 1.5	30.0 ± 2.2	29.7 ± 1.9	0.43	0.71

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

Statistical significant difference was observed in popliteus between the knee at 20° and 40° (p < 0.05) and it is indicated with italics letters and *