Table 6.

Comparative preoperative and final data of the range of motion expressed as means ± s.d. and range of values (in brackets) of extension deficit and flexion.

Study	Extension deficit				Flexion
	Preoperative		Postoperative		Preoperative		Postoperative
	ACL	Control	Previous ACL	Control	ACL	Control	ACL	Control
Hoxie et al. (16)	6 (0–15)	5 (0–15)	0.4 (−10 to 6)	0.6 (−6 to 5)	101 (15–135)	105 (55–135)	105 (60–130)	104 (50–130)
Magnussen et al. (17)	2.3 ± 4.5*	−0.5 ± 3.7*	−1.1 ± 3.5	−2.5 ± 2.6	122 ± 12	118 ± 21	119 ± 13	108 ± 14
Watters et al. (18)	4.1	3.9	0.2	0.3	119.1*	123.2*	125.5	126.8
Lizaur-Utrilla et al. (19)	6.9 ± 1.7*	5.3 ± 1.5*	3.4 ± 3.6	3.6 ± 3.7	92.3 ± 11.1	96.6 ± 12.4	109.4 ± 10.7	110.2 ± 11.3
Chong et al. (20)	NR	NR	NR	NR	NR	NR	NR	NR
James et al. (22)	2.0 ± 3.9*	3.7 ± 7.5*	0.4 ± 1.5	0.9 ± 3.8	109.0 ± 14.6*	111.6 ± 15.2*	119.9 ± 10.2	118.2 ± 11.5
Anil et al. (21)	NR	NR	NR	NR	NR	NR	NR	NR

^*Statistically significant difference between groups.