Before Surgery Mean (SD)

After Surgery Mean (SD)

Spatio-Temporal

Gait Velocity (m/s)

0.51 (0.04)

0.64 (0.02)

Cadence (steps/min)

71.87 (2.53)

74.36 (1.25)

Stance phase (%)

Operated limb

70.1 (3.7)

70.6 (0.89)

Non-operated limb

80.1 (1.1)

77.7 (0.96)

Stride length (m)

Operated limb

0.54 (0.02)

0.55 (0.03)

Non-operated limb

0.33 (0.02)

0.49 (0.01)

Step width (m)

0.21 (0.01)

0.13 (0.01)

Kinematics

Hip Flexion range - gait cycle (˚)

Operated limb

27.4 (5.5)

40.6 (1.5)

Non-operated limb

40.7 (1.5)

42.7 (1.7)

Knee Flexion range - gait cycle (˚)

Operated limb

50.8 (14.6)

52.8 (4.1)

Non-operated limb

62.8 (3.2)

63.6 (2.9)

Ankle dorsiflexion range - gait cycle (˚)

Operated limb

8.6 (2.3)

10.3 (0.9)

Non-operated limb

23.0 (2.2)

26.7 (2.8)