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Table 3 Spearman’s rank correlation coefficients between single-leg hop distance and knee strength

From: Correlations between isokinetic knee torques and single-leg hop distances in three directions in patients after ACL reconstruction

Involved limb SLH
Anterior Lateral Medial Total
KES 60°/s 0.51**
[0.26–0.70]
0.52**
[0.27–0.70]
0.55**
[0.31–0.72]
0.54**
[0.30–0.72]
KES 180°/s 0.62**
[0.41–0.77]
0.65**
[0.45–0.79]
0.59**
[0.37–0.75]
0.65**
[0.45–0.79]
KFS 60°/s 0.54**
[0.30–0.72]
0.53**
[0.29–0.71]
0.48**
[0.22–0.67]
0.55**
[0.31–0.72]
KFS 180°/s 0.57**
[0.34–0.74]
0.58**
[0.35–0.74]
0.54**
[0.30–0.72]
0.59**
[0.37–0.75]
Uninvolved limb SLH
Anterior Lateral Medial Total
KES 60°/s 0.61**
[0.39–0.76]
0.58**
[0.35–0.74]
0.64**
[0.43–0.78]
0.64**
[0.43–0.78]
KES 180°/s 0.53**
[0.29–0.71]
0.51**
[0.26–0.70]
0.59**
[0.37–0.75]
0.57**
[0.34–0.74]
KFS 60°/s 0.53**
[0.29–0.71]
0.56**
[0.33–0.73]
0.54**
[0.30–0.72]
0.57**
[0.34–0.74]
KFS 180°/s 0.51**
[0.26–0.70]
0.62**
[0.41–0.77]
0.60**
[0.38–0.76]
0.61**
[0.39–0.76]
  1. Values are Spearman’s rank correlation coefficients [95% confidence interval]. SLH Single-leg hop distance, Total Sum of hop distances in three directions, KES Knee extension strength, KFS Knee flexion strength. **P < 0.01