Timing

Statistics

pre-op

> 1.5yr FU

CP (n = 9)

CP (n = 9)

Mean ± 1SD

Mean ± 1SD

p-value

cadence (1/s)

2.04 ± 0.33

1.82 ± 0.30

≤ 0.001^*

stride length (m)

0.43 ± 0.09

0.42 ± 0.10

0.553

walking velocity (m/s)

0.88 ± 0.21

0.78 ± 0.22

0.028^*

Pelvis

Mean pelvic tilt (°)

17.82 ± 4.53

17.58 ± 4.31

0.915

ROM pelvic tilt (°)

9.79 ± 2.64

7.00 ± 1.74

0.011^*

ROM pelvic obliquity (°)

11.22 ± 4.58

11.05 ± 1.96

0.89

Mean pelvic rotation (°)

-0.29 ± 0.65

0.22 ± 0.64

0.066

ROM pelvic rotation (°)

15.29 ± 5.49

18.38 ± 3.51

0.087

Hip

max hip extension during stance phase (°)

4.34 ± 3.16

4.50 ± 355

0.878

Max hip rotation (°)

18.83 ± 6.67

12.89 ± 8.84

0.025^*

min hip rotation (°)

-0.75 ± 6.01

-10.89 ± 10.59

0.010^*

Knee

Max knee extension in stance phase (°)

18.33 ± 8.45

10.12 ± 7.15

0.075

Timing max knee extension (%)

29.47 ± 5.24

36.17 ± 5.32

0.026^*

Max knee flexion during swing (°)

59.87 ± 5.95

62.13 ± 8.24

0.582

timing max knee flexion during swing (%)

77.16 ± 4.36

75.47 ± 4.36

0.088

ROM knee flexion (°)

41.54 ± 10.08

52.01 ± 9.25

0.057

Angle at initial contact (°)

31.99 ± 8.09

23.22 ± 7.45

0.011^*

Ankle

Max ankle dorsiflexion during stance phase (°)

14.36 ± 7.31

18.13 ± 2.94

0.173

MAPS and GPS

MAPS pelvic tilt (°)

8.10 ± 3.28

6.99 ± 3.60

0.555

MAPS hip flexion (°)

13.55 ± 2.13

11.38 ± 2.81

0.21

MAPS knee flexion (°)

18.34 ± 5.29

14.31 ± 5.78

0.059

MAPS ankle dorsiflexion (°)

10.24 ± 3.43

9.98 ± 2.22

0.853

MAPS pelvic obliquity (°)

3.36 ± 1.23

3.25 ± 0.72

0.797

MAPS hip abduction (°)

4.91 ± 1.14

4.90 ± 0.94

0.985

MAPS pelvic rotation (°)

6.24 ± 3.02

6.52 ± 2.68

0.797

MAPS hip rotation (°)

12.88 ± 3.11

10.86 ± 4.08

0.187

MAPS foot progression (°)

14.30 ± 312.58

8.92 ± 3.30

0.314

GPS (°)

12.35 ± 2.80

9.70 ± 2.20

0.021^*

GPS sagittal (°)

13.56 ± 2.60

11.47 ± 2.58

0.84

GPS coronal (°)

4.30 ± 1.00

4.21 ± 0.80

0.802

GPS transverse (°)

12.77 ± 6.45

9.30 ± 3.13

0.11