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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)

From: Effect of saddle height on skin temperature measured in different days of cycling

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
  1. Typical error and Intra-class correlation coefficient (ICC) was calculated to determine the intraday reproducibility
  2. 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 *