human 18 male 13 Humans 12 female 12 adult 10 controlled study 10 Article 9 Pre-processing step 8 Performance 7 aged 6 article 6 human experiment 6 step length 6 Forecasting 5 Step size 5 clinical article 5 gait 5 walking 5 Backward differentiation formulae 4 Critical steps 4 Female 4 Male 4 Numerical methods 4 Numerical results 4 Ordinary differential equations 4 Pipelines 4 Processing steps 4 Stiff ordinary differential equations 4 Walking 4 Yeast 4