Skip to main content

Advertisement

Table 2 Intramachine reproducibility values for concentric and eccentric knee tests

From: Intrarater reliability of the Humac NORM isokinetic dynamometer for strength measurements of the knee and shoulder muscles

  ICC (95% CI) SEM (Nm) SEM% SDC (Nm)
KE concentric 60°/s
 Right 0.840 (0.728–0.907) 38.6 23.1 107.0
 Left 0.762 (0.560–0.868) 30.7 19.8 85.1
KF concentric 60°/s
 Right 0.744 (0.596–0.843) 19.3 18.7 53.5
 Left 0.804 (0.685–0.882) 17.3 17.0 48.0
KE concentric 180°/s
 Right 0.829 (0.723–0.897) 19.7 18.3 54.6
 Left 0.861 (0.772–0.917) 17.7 17.1 49.1
KF concentric 180°/s
 Right 0.762 (0.617–0.856) 15.7 22.1 43.5
 Left 0.826 (0.713–0.896) 13.5 19.4 37.4
KE eccentric 60°/s
 Right 0.849 (0.755–0.910) 27.7 14.8 76.8
 Left 0.787 (0.659–0.871) 33.9 19.3 94.0
KF eccentric 60°/s
 Right 0.891 (0.817–0.936) 17.5 13.0 48.5
 Left 0.840 (0.594–0.925) 20.9 16.0 57.9
  1. ICC intraclass correlation coefficient, CI confidence interval, SEM standard error of measurement, SDC smallest detectable change, KE knee extensors, KF knee flexors