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. 2021 May 5;3:653699. doi: 10.3389/fspor.2021.653699

Table 2.

Between-test relative reliability (ICC values with lower and upper limit 95% CI) for highest and mean peak torque (N·m), peak power (W), angle of peak torque (°), and peak work (J).

Peak torque (N·m) Peak power (W) Angle of peak torque (°) Peak work (J)
Highest Mean Highest Mean Highest Mean Highest Mean
Peak and mean between-test relative reliability
ICC1−2 0.92 (0.84–0.96) 0.90 (0.86–0.93) 0.93 (0.86–0.97) 0.89 (0.85–0.92) 0.78 (0.54–0.89) 0.76 (0.68–0.82) 0.96 (0.91–0.98) 0.87 (0.82–0.91)
ICC2−3 0.98 (0.95–0.99) 0.95 (0.93–0.96) 0.98 (0.94–0.99) 0.94 (0.92–0.96) 0.83 (0.64–0.92) 0.84 (0.79–0.88) 0.98 (0.95–0.99) 0.91 (0.88–0.93)
ICC3−4 0.89 (0.66–0.96) 0.86 (0.72–0.91) 0.90 (0.68–0.96) 0.85 (0.74–0.91) 0.62 (0.21–0.82) 0.74 (0.65–0.81) 0.88 (0.70–0.95) 0.84 (0.76–0.89)
ICC4−5 0.95 (0.89–0.97) 0.91 (0.88–0.93) 0.94 (0.88–0.97) 0.91 (0.87–0.93) 0.53 (0.01–0.78) 0.71 (0.61–0.78) 0.92 (0.83–0.96) 0.88 (0.83–0.91)
ICC5−6 0.96 (0.92–0.98) 0.92 (0.88–0.94) 0.96 (0.93–0.98) 0.92 (0.88–0.94) 0.61 (0.18–0.81) 0.80 (0.74–0.85) 0.97 (0.95–0.99) 0.93 (0.90–0.95)
ICC1−6 0.88 (0.75–0.94) 0.84 (0.78–0.88) 0.89 (0.77–0.95) 0.84 (0.78–0.88) 0.61 (0.21–0.81) 0.56 (0.41–0.67) 0.90 (0.79–0.95) 0.84 (0.79–0.89)
Mean ICC 0.93 (0.84–0.97) 0.89 (0.84–0.93) 0.93 (0.84–0.97) 0.89 (0.84–0.92) 0.66 (0.30–0.84) 0.73 (0.70–0.80) 0.93 (0.84–0.97) 0.88 (0.83–0.91)

ICC1−2 denotes test (one vs. test two) and ICC1−6 denotes first vs. last (i.e., one vs. six).

ICC, intraclass correlation coefficient.