6-min walking test ACL Biochemistry Biology, life sciences Box and Block test IMU Internet of Things Parkinson's disease RGB-D sensors Research & information: general accelerometer angle-angle diagrams biomechanical phenomena biomechanics analysis body sensor network bradykinesia clinical cyclograms decision trees e-textile foot drop stimulation gait gait analysis ground reaction force hand trajectories hemiparesis inertial measurement sensor inertial measurement systems inertial measurement unit (IMU) inertial measurement units