Table 3.

Preoperative to postoperative changes in static and dynamic measurements for the early group (n = 20). Negative signs indicate plantarflexion or knee/hip extension

	Preoperative	Postoperative	Change	p-value*
Physical exam, ° (sd)
Knee extension	5.7 (4.6)	4.3 (4.4)	−1.6 (5.1)	0.22
Straight leg raise	61.0 (7.5)	59.5 (7.1)	−1.5 (5.9)	0.27
Popliteal angle	46.5 (12.4)	47.3 (10.9)	0.8 (7.7)	0.67
Knee flexion (prone)	138.0 (10.3)	138.0 (11.6)	0 (7.3)	NS
Hip flexion	110.0 (9.0)	107.5 (8.5)	−2.5 (6.6)	0.11
Dorsiflexion with knee flexed	−3.3 (13.2)	6.0 (10.5)	9.3 (15.4)	0.015
Dorsiflexion with knee extended	−7.8 (13.7)	1.8 (8.2)	9.5 (13.5)	0.005
Kinematics, ° (sd)
Minimum knee flexion in stance	− 10.1 (5.6)	0.9 (7.6)	11.0 (8.9)	< 0.001
Maximum dorsiflexion in stance	−6.3 (16.3)	9.5 (5.5)	15.8 (18.3)	0.001
Average pelvic tilt in stance	20.5 (6.2)	20.7 (5.1)	−0.2 (8.5)	0.93
Minimum hip flexion	−0.7 (10.9)	0.9 (9.1)	1.7 (11.0)	0.51

NS, not significant

^*p-value of paired t-test (two-tailed) is reported.