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. Author manuscript; available in PMC: 2021 Mar 1.
Published in final edited form as: Knee Surg Sports Traumatol Arthrosc. 2019 Apr 25;28(3):816–822. doi: 10.1007/s00167-019-05513-3

Table 2.

Pearson Correlation Coefficients (r) for Each Variable in Involved Leg, Uninvolved Leg, and Limb Symmetry Index (LSI)

Involved Leg ISO180 ISO300 SH TH POWER

ISO60 0.83** 0.82** 0.36 0.36 0.57**
ISO180 - 0.76** 0.59** 0.55* 0.61**
ISO300 - 0.50* 0.64** 0.51*
SH - 0.58** 0.23
TH - 0.44

Uninvolved Leg ISO180 ISO300 SH TH POWER

ISO60 0.81** 0.66** 0.50* 0.58** 0.63**
ISO180 - 0.71** 0.38 0.40 0.47*
ISO300 - 0.33 0.60** 0.53*
SH - 0.52* 0.07
TH - 0.39

LSI ISO180 ISO300 SH TH POWER

ISO60 0.51** 0.27 0.14 0.31 0.25
ISO180 - 0.46* −0.11 0.16 0.38
ISO300 - −0.06 −0.05 0.32
SH - 0.83** 0.19
TH - 0.38

ISO60/180/300 represents the peak knee extension torque during the isokinetic testing at 60/180/300 degrees per second, respectively. SH/TH represents the maximum distance during single hop and triple hop tests, respectively. POWER represents the lower extremity peak power during a leg press test.

*

P < 0.05 (2-tailed).

**

P < 0.01 (2-tailed).