Table 2. Two-way mixed model ANOVA post hoc multiple comparison of participants’ pain and muscle strength.

Variable	Time frame	OKCE (n=20) Mean±SD	CKCE (n=20) Mean±SD	Control (n=20) Mean±SD	Time		Group × time
					F	p-value	F	p-value
Pain (VAS) 0–10	Baseline	5.31±0.86	4.87±1.24	5.26±1.13	81.075	<0.001*	18.248	<0.001*#
	6th week	2.07±1.22	2.55±1.61	5.10±1.75
	12th week	2.01±1.14	1.76±1.07	5.08±1.37
90°/s Extension (Nm)	Baseline	62.02±14.31	57.59±14.83	63.46±10.94	189.817	<0.001*	597.661	<0.001*
	6th week	76.57±15.59	69.67±16.56	64.06±11.03
	12th week	76.79±15.24	70.17±16.39	64.48±11.72
120°/s Extension (Nm)	Baseline	51.19±8.31	54.65±10.13	51.52±7.95	70.693	<0.001*	21.546	<0.001*x
	6th week	59.08±9.99	61.14±11.19	51.21±8.25
	12th week	58.34±10.76	60.72±11.75	50.98±8.56
180°/s Extension (Nm)	Baseline	36.08±16.02	37.08±13.04	36.83±12.02	120.811	<0.001*	28.964	<0.001*
	6th week	48.24±16.42	46.73±13.95	36.90±11.75
	12th week	48.47±17.12	47.23±13.86	37.32±12.64
90°/s Flexion (Nm)	Baseline	46.47±10.60	43.35±12.13	43.64±11.21	28.105	<0.001*	13.522	<0.001*
	6th week	52.78±11.54	47.87±12.40	42.49±11.37
	12th week	51.98±11.40	47.79±12.64	42.58±11.52
120°/s Flexion (Nm)	Baseline	56.67±11.40	53.50±9.39	53.86±8.89	33.361	<0.001*	17.209	<0.001*x
	6th week	64.61±12.90	57.83±10.06	53.26±9.16
	12th week	63.92±11.54	56.72±10.58	57.62±11.44
180°/s Flexion (Nm)	Baseline	61.44±13.68	58.82±15.26	57.57±12.66	2.080	N.S.	5.416	<0.001*
	6th week	64.24±17.16	60.59±16.86	56.18±13.05
	12th week	64.74±18.00	59.89±17.24	55.21±14.63

*Significant difference; CG: control group; N.S.: not significant; ^#significant difference with the control group; ^xSignificant difference between OKCE and CKCE.