Table 4.

Comparison of the findings at baseline, after 8 weeks and after 16 weeks.

Pair t-test	Baseline—after 8 weeks (P value)	Baseline—after 16 weeks (P value)
RUSI
90	0.11	0.81
60	0.34	0.97
60 submax	0.73	0.02*
EMG
90	0.24	0.12
60	0.6	0.32
60 submax	0.08	0.04*
Questionnaires
Pain	0.03*	0.01*
Stiffness	0.07	0.04*
Mobility	0.17	0.08
Total work	0.57	0.25

*P < 0.05, significance.

90: MVC at knee flexion 90°; 60: MVC at knee flexion 60°; submax: submaximal effort (30% of MVC) at knee flexion 60°.