Table 3 Range of motion (in degrees) for both knees in each group before and after treatment

76 ± 9

73 ± 12

>0.77

74 ± 11

69 ± 12

>0.98

171 ± 6

177 ± 4^a

0.0003

172 ± 5

178 ± 3^a

0.001

(56 – 90)

(55 – 90)

(50 – 90)

(55 – 87)

(160 – 180)

(168 – 180)

(161–180)

(170 – 180)

79 ± 7

76 ± 10

>0.34

81 ± 12

79 ± 7

>0.44

172 ± 6

178 ± 3^a

0.003

170 ± 8

176 ± 4^a

0.002

(68 – 90)

(59 – 90)

(50 – 90)

(65 – 89)

(160 – 180)

(170 – 180)

(150 – 180)

(168 – 180)

81 ± 8

76 ± 7

>0.83

80 ± 8

75 ± 8

>0.39

171 ± 6

175 ± 7

0.21

172 ± 7

173 ± 7

0.47

(67 – 90)

(66 – 87)

(67 – 90)

(56 – 86)

(165 – 180)

(156 – 180)

(160 – 180)

(160 – 180)