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Table 3 Intra-rater reliability results from the three measurement devices

From: A randomised cross over study to evaluate the performance of a novel ankle dorsiflexion measurement device for novice users

  ICC 95% Confidence intervals P value
Lower bound Upper bound
D-Flex Knee flexion (no strap) 0.90 0.77 0.96 < 0.01
Knee extension (no strap) 0.87 0.70 0.95 < 0.01
Knee flexion (strap) 0.90 0.77 0.96 < 0.01
Knee extension (strap) 0.76 0.49 0.90 < 0.01
Goniometer Knee flexion 0.55 0.13 0.77 < 0.01
Knee extension 0.61 0.26 0.89 < 0.01
Inclinometer Knee flexion 0.32 0.11 0.60 0.44
Knee extension 0.61 0.49 0.88 < 0.01