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.