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Table 1 Gait and balance features extracted from Mobility Lab software

From: Classification of Parkinson’s disease and essential tremor based on balance and gait characteristics from wearable motion sensors via machine learning techniques: a data-driven approach

Gait – lower limb
 Cadence [left] (steps/min) Cadence [right] (steps/min)
 Double support [left] (%GC) Double support [right] (%GC)
 Gait speed [left] (m/s) Gait speed [right] (m/s)
 Lateral step variability [left] (cm) Lateral step variability [right] (cm)
 Foot strike angle [left] (degrees) Foot strike angle [right] (degrees)
 Toe off angle [left] (degrees) Toe off angle [right] (degrees)
 Single limb support [left] (%GC) Single limb support [right] (%GC)
 Stance [left] (%GC) Stance [right] (%GC)
 Step duration [left] (s) Step duration [right] (s)
 Stride length [left] (m) Stride length [right] (m)
 Swing [left] (%GC) Swing [right] (%GC)
 Terminal double support [left] (%GC) Terminal double support [right] (%GC)
Gait – lumbar
 Coronal range of motion (degrees)  
 Sagittal range of motion (degrees)  
 Transverse range of motion (degrees)  
Gait – trunk
 Coronal range of motion (degrees)  
 Sagittal range of motion (degrees)  
 Transverse range of motion (degrees)  
Postural sway
 Mean velocity (m/s) Acc - path length (m/s2)
 Mean velocity [coronal] (m/s) Acc - path length [coronal] (m/s2)
 Mean velocity [sagittal] (m/s) Acc - path length [sagittal] (m/s2)
 Acc - RMS sway (m/s2) Acc - RMS sway (degrees)
 Acc - RMS sway [coronal] (m/s2) Acc - RMS sway [coronal] (degrees)
 Acc - RMS Sway [sagittal] (m/s2) Acc - RMS sway [sagittal] (degrees)
 Sway area radius [coronal] (degrees) Acc - range (m/s2)
 Sway area rotation (degrees) Acc - range [coronal] (m/s2)
 Sway area (degrees2) Acc - range [sagittal] (m/s2)
  1. Abbreviation: Acc Acceleration, GC Gait cycle, RMS Root mean square