Table 3. Thigh muscle strength before and after training.

	CNT (n = 14)			IWT (n = 13)			P
	Before	After	P (Time)	Before	After	P (Time)	(Group×time)
Operated side
n	17	17		16	16
FEXT (Nm)	74.6±7.7	74.5±7.5	NS	83.8±5.2	92.5±4.9	NS	NS
(Nm/kg)	1.36±0.15	1.35±0.14	NS	1.56±0.11	1.73±0.12	NS	NS
FFLX (Nm)	36.3±2.3	39.3±2.3*	0.022	37.7±3.3	46.2±2.4**	0.0021	0.036
(Nm/kg)	0.65±0.04	0.70±0.03*	0.028	0.69±0.06	0.85±0.04**	0.0031	0.023
Non-operated side
n	11	11		10	10
FEXT (Nm)	96.4±6.5	102.9±11.3	NS	93.3±9.1	88.5±10.1	NS	NS
(Nm/kg)	1.67±0.13	1.72±0.17	NS	1.78±0.19	1.64±0.19	NS	NS
FFLX (Nm)	38.1±4.1	43.4±4.1	NS	40.8±2.1	46.6±2.5**	0.0032	NS
(Nm/kg)	0.64±0.06	0.74±0.07	NS	0.77±0.04	0.87±0.05**	0.0063	NS

Values are given as the means ± SE. F_EXT, knee extension force; F_FLX, knee flexion force. Significant differences compared to the value before training, *P<0.05 and **P<0.01.