Table 4. Comparison of results of isokinetic muscle strength testing of right hip. Norm Norm Time Flywheel eccentric training Traditional barbell training P d 30°/s (flexion) PT (N·m) Pre-test 89.63 ± 18.17 83.38 ± 10.56 After the test 121.00 ± 23.80 96.25 ± 6.86 0.013 1.41 P < 0.001 < 0.001 d 1.46 1.39 PT (N·m) Pre-test 100.63 ± 24.20 97.63 ± 23.82 After the test 133.13 ± 25.78 104.50 ± 25.71 0.043 1.11 P < 0.001 0.002 d 1.30 0.28 30°/s (extension) PT (N·m) Pre-test 151.50 ± 29.71 145.88 ± 25.44 After the test 190.50 ± 30.17 155.25 ± 26.38 0.026 1.24 P < 0.001 < 0.001 d 1.30 0.36 AP (W) Pre-test 184.88 ± 34.90 169.63 ± 41.47 After the test 237.25 ± 46.57 189.88 ± 34.48 0.036 1.16 P < 0.001 0.005 d 1.25 0.53 180°/s (flexion) PT (N·m) Pre-test 68.88 ± 12.56 64.00 ± 9.17 After the test 89.00 ± 11.70 71.13 ± 8.08 0.004 1.78 P < 0.001 < 0.001 d 1.66 0.82 AP (W) Pre-test 74.00 ± 10.24 75.63 ± 14.04 After the test 102.50 ± 15.82 86.25 ± 13.98 0.047 1.09 P < 0.001 < 0.001 d 2.05 0.76 180°/s (extension) PT (N·m) Pre-test 108.13 ± 18.30 98.13 ± 24.85 After the test 144.00 ± 33.78 110.50 ± 24.21 0.039 1.14 P < 0.001 < 0.001 d 1.22 0.50 AP (W) Pre-test 129.00 ± 26.97 122.38 ± 45.28 After the test 171.38 ± 29.92 128.63 ± 46.41 0.012 1.09 P < 0.001 0.002 d 1.48 0.14 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.