Table 3 Isokinetic strength and endurance in quadriceps and hamstring

60°/s

Quadriceps peak torque, N∙m

Involved

66.5 ± 35.5

75.2 ± 45.1

0.430

100.1 ± 33.7

104.6 ± 44.1

0.748

Uninvolved

108.2 ± 35.6

100.0 ± 39.8

0.428

114.3 ± 33.8

121.7 ± 52.1

0.625

Hamstring peak torque, N∙m

Involved

52.7 ± 27.0

49.5 ± 24.4

0.659

73.7 ± 22.1

71.3 ± 31.9

0.802

Uninvolved

70.4 ± 25.4

66.7 ± 28.5

0.617

78.4 ± 26.6

81.9 ± 27.8

0.727

Torque deficit in the involved leg compared to uninvolved leg (%)

Quadriceps

36.4 ± 34.6

25.5 ± 31.8

0.253

9.8 ± 24.5

19.4 ± 29.1

0.328

Hamstring

21.9 ± 37.4

25.4 ± 27.5

0.723

1.9 ± 23.9

21.8 ± 14.0

0.017

Hamstring to quadriceps ratio

Involved

0.82 ± 0.20

0.73 ± 0.28

0.157

0.79 ± 0.31

0.80 ± 0.19

0.982

Uninvolved

0.66 ± 0.13

0.70 ± 0.19

0.384

0.70 ± 0.16

0.80 ± 0.32

0.227

Work, J

Involved

473.8 ± 278.6

433.7 ± 269.7

0.604

695.0 ± 237.0

578.2 ± 350.7

0265

Uninvolved

756.7 ± 308.1

709.4 ± 264.9

0.566

819.0 ± 225.8

812.5 ± 325.1

0.947

120°/s

Quadriceps peak torque, N∙m

Involved

56.8 ± 2885

61.4 ± 36.7

0.613

77.0 ± 28.2

73.4 ± 35.2

0.752

Uninvolved

79.5 ± 32.0

72.5 ± 33.0

0.443

83.1 ± 25.5

90.1 ± 32.2

0.501

Hamstring peak torque, N∙m

Involved

52.9 ± 24.8

48.6 ± 29.7

0.562

61.8 ± 19.2

62.7 ± 26.0

0.915

Uninvolved

59.8 ± 23.7

58.1 ± 31.1

0.819

62.1 ± 19.3

73.9 ± 29.4

0.174

Torque deficit in the involved leg compared to uninvolved leg (%)

Quadriceps

28.3 ± 21.4

9.9 ± 50.1

0.131

6.8 ± 22.5

17.1 ± 29.1

0.269

Hamstring

12.5 ± 22.1

11.6 ± 41.1

0.917

−0.7 ± 17.4

15.3 ± 13.7

0.012

Hamstring to quadriceps ratio

Involved

1.02 ± 0.51

0.83 ± 0.27

0.122

0.89 ± 0.49

0.91 ± 0.21

0.926

Uninvolved

0.82 ± 0.47

0.80 ± 0.13

0.810

0.76 ± 0.13

0.84 ± 0.23

0.189

Work, J

Involved

1930.7 ± 1163.6

1657.7 ± 1088.7

0.393

2724.4 ± 994.3

2422.5 ± 1189.2

0.447

Uninvolved

2994.6 ± 1113.7

2443.7 ± 1167.0

0.087

2902.1 ± 1083.0

3108.5 ± 1174.5

0.619