Table 6 Kinematic features for velocity feedback gain and muscle weakness results over all iterations and correlation
From: Dysfunctional neuro-muscular mechanisms explain gradual gait changes in prodromal spastic paraplegia
Velocity FB + Weakness \(\omega _{hw}\) | Gait speed | Stride length | Ankle RoM | Min PF | Ankle at HS | Ankle at max HGC | Knee RoM | Knee max angle | Knee at HS |
|---|---|---|---|---|---|---|---|---|---|
0% | 1.20 | 1.48 | 25.43 | – 17.30 | 7.24 | – 14.70 | 60.99 | 62.27 | 3.59 |
6.7% | 1.21 | 1.40 | 20.03 | – 13.32 | 1.59 | – 8.47 | 64.36 | 66.82 | 2.45 |
13.3% | 1.06 | 1.33 | 21.45 | – 13.37 | 2.87 | – 10.72 | 63.23 | 66.52 | 3.50 |
20% | 0.96 | 1.20 | 18.23 | – 8.67 | 2.56 | – 2.98 | 72.93 | 74.56 | 3.74 |
26.7% | 1.12 | 1.36 | 18.60 | – 9.64 | 0.04 | – 5.96 | 65.40 | 67.29 | 3.40 |
33.3% | 1.05 | 1.42 | 17.61 | – 9.27 | 3.45 | – 5.44 | 62.23 | 63.39 | 5.80 |
40% | 1.03 | 1.33 | 17.26 | – 9.52 | 0.25 | – 3.89 | 68.82 | 69.94 | 4.55 |
46.7% | 1.07 | 1.40 | 17.38 | – 8.30 | 0.10 | – 5.45 | 64.83 | 65.70 | 5.68 |
53.3% | 1.06 | 1.30 | 16.74 | – 7.22 | 2.09 | – 1.84 | 73.45 | 74.70 | 4.34 |
60% | 0.98 | 1.26 | 17.11 | – 8.40 | – 2.21 | – 4.88 | 66.54 | 69.26 | 4.33 |
66.7% | – | – | – | – | – | – | – |  – | – |
73.3% | 0.96 | 1.46 | 56.11 | – 70.33 | – 36.15 | – 31.53 | 72.69 | 66.19 | 2.06 |
Correlation Iteration 0–9 | \(rho=-0.52\) \(p=0.13\) | \(rho=-0.26\) \(p=0.47\) | \(rho=-0.98\) \(p<0.001^{***}\) | \(rho=0.96\) \(p<0.001^{***}\) | \(rho=-0.96\) \(p<0.001^{***}\) | \(rho=0.98\) \(p<0.001^{***}\) | \(rho=0.12\) \(p=0.75\) | \(rho=0.01\) \(p=0.99\) | \(rho=0.76\) \(p=0.011\) |