Skip to main content

Table 7 Correlation of optimization parameters for each simulation experiment

From: Dysfunctional neuro-muscular mechanisms explain gradual gait changes in prodromal spastic paraplegia

Condition

Optimization

Effort

TA[\(K_L\)]

TA\([L_0\)]

TA-SOL[\(K_F\)]

SOL[\(K_F\)]

GAS[\(K_F\)]

VAS[\(K_F\)]

VAS[\(C_0\)]

VelFB

\(rho=0.78\),

\(p=0.001^{***}\)

\(rho=0.79\),

\(p<0.001^{***}\)

\(rho=0.72\),

\(p=0.002^{**}\)

\(rho=0.49\),

\(p=0.064\)

\(rho=-0.03\),

\(p=0.919\)

\(rho=-0.94\),

\(p<0.001^{***}\)

\(rho=-0.94\),

\(p<0.001^{***}\)

\(rho=-0.44\),

\(p=0.098\)

\(rho=-0.5\),

\(p=0.056\)

Weakness

\(rho=-0.02\),

\(p=0.931\)

\(rho=-0.02\),

\(p=0.931\)

\(rho=0.41\),

\(p=0.113\)

\(rho=-0.01\),

\(p=0.957\)

\(rho=0.27\),

\(p=0.311\)

\(rho=0.54\),

\(p=0.031\)

\(rho=-0.23\),

\(p=0.399\)

\(rho=0.34\),

\(p=0.2\)

\(rho=0.0\),

\(p=1.0\)

VelFB +

Weakness

\(rho=0.63\),

\(p=0.05\)

\(rho=0.66\),

\(p=0.038\)

\(rho=0.47\),

\(p=0.174\)

\(rho=0.39\),

\(p=0.26\)

\(rho=0.48\),

\(p=0.162\)

\(rho=-0.98\),

\(p<0.001^{***}\)

\(rho=-0.99\),

\(p<0.001^{***}\)

\(rho=-0.48\),

\(p=0.162\)

\(rho=-0.84\),

\(p=0.002^{**}\)

  1. Shown are spearman correlation coefficients for optimization parameters for each simulation experiment. TA ≡ tibialis anterior, SOL ≡ soleus, GAS ≡ gastrocnemius medialis, VAS ≡ vastus intermedius, KL ≡ length feedback gain, L0 ≡ length offset, KF ≡ force feedback gain, and C0 ≡ constant