Table 3. Comparison of results of isokinetic muscle strength testing of right knee.
Norm Norm Time Flywheel eccentric training Traditional barbell training P d
60°/s
(flexion)
PT (N·m) Pre-test 105.25 ± 16.03 105.38 ± 30.49
After the test 138.25 ± 10.70 115.38 ± 27.75 0.048 1.09
P 0.001 0.003
d 2.33 0.34
AP (W) Pre-test 97.00 ± 14.60 95.38 ± 19.32
After the test 123.13 ± 9.13 106 ± 19.13 0.038 1.14
P < 0.001 < 0.001
d 2.05 0.55
60°/s
(extension)
PT (N·m) Pre-test 169.38 ± 19.13 155.88 ± 29.78
After the test 199.13 ± 21.17 167.5 ± 29.37 0.027 1.24
P 0.009 0.003
d 1.47 0.39
AP (W) Pre-test 143.75 ± 18.16 129.88 ± 18.40
After the test 172.5 ± 16.17 137 ± 27.07 0.007 1.59
P < 0.001 0.248
d 1.67 0.30
180°/s
(flexion)
PT (N·m) Pre-test 85.5 ± 7.60 79.88 ± 18.10
After the test 102.25 ± 7.89 84 ± 17.47 <0.001 1.35
P < 0.001 < 0.001
d 2.16 0.23
AP (W) Pre-test 120 ± 13.21 111.25 ± 23.83
After the test 145.38 ± 12.72 124.25 ± 24.27 0.047 1.09
P < 0.001 < 0.001
d 1.96 0.54
180°/s
(extension)
PT (N·m) Pre-test 111.75 ± 12.73 103.63 ± 23.46
After the test 129.25 ± 22.33 104.38 ± 18.24 0.029 1.22
P 0.006 0.857
d 0.90 0.04
AP (W) Pre-test 162.5 ± 15.00 151.13 ± 17.69
After the test 190.25 ± 12.74 168.75 ± 21.22 0.028 1.23
P < 0.001 < 0.001
d 1.98 0.89
Data presented as mean ± SD. PT, peak torque. AP, average power. Paired samples t-tests were used pre-test and after the test within the group. Independent samples t-tests were used after the intergroup test. Cohen's d was used as a measure of effect size for these comparisons.