Table 1 Average spatiotemporal, ankle kinematic and dynamic parameters during six steps for arthrodesis, total ankle replacement (TAR) and comparison with Healthy subject (intra-trial confidential coefficient comprised between 0.93 and 0.98 for the left joints side and between 0.96 and 0.99 for the right joints side)
Mr R | Mr M | Standard | |||
|---|---|---|---|---|---|
Left side | Right side (arthrodesis) | Left side | Right side (TAR) | Healthy subject | |
Walking speed (m/s) | 1.02 | 1.03 | 0.92 | 0.94 | 1.37 ± 0.13 |
Cadence (step/mn) | 94.4 | 95.2 | 89.8 | 91 | 109 ± 6 |
Step phase duration (s) | 1.27 | 1.26 | 1.31 | 1.29 | 1.01 ± 0.06 |
Step length (m) | 0.65 | 0.64 | 0.58 | 0.58 | 0.69 ± 0.05 |
Stance phase duration (%) | 64.5 | 63.4 | 65.1 | 64 | 58.6 ± 1.8 |
Ankle range of motion (°) | 23.1 | 17.1 | 20.8 | 11.9 | 30 ± 2 |
Ankle maximal and minimal power during stance phase/weight (W/kg) | 1.57 | 0.91 | 1.11 | 0.53 | 2.90 ± 0.23 |
−0.74 | −0.36 | −0.65 | −0.20 | −0.68 ± 0.18 | |
Knee maximal and minimal power during stance phase/weight (W/kg) | 0.05 | 0.71 | 0.06 | 0.27 | 1.80 ± 0.19 |
−0.34 | −0.32 | −0.06 | −0.23 | −0.93 ± 0.12 | |
Hip maximal and minimal power during stance phase/weight (W/kg) | 0.5 | 1.25 | 0.34 | 0.43 | 0.65 ± 0.04 |
−0.43 | −0.31 | −0.32 | −0.45 | −0.51 ± 0.07 | |