Table 3 Description of the data stored in the “GRF_*.csv” files. “*” for the associated file name is a placeholder for “right” and “left” (adapted from Horsak et al.35).
Variables | Associated file | Format | Dimension | Unit | Description |
---|---|---|---|---|---|
Vertical GRF | GRF_F_V-RAW_*.csv | double | 1 × n | Newton | Unprocessed vertical ground reaction force |
Anterior-posterior GRF | GRF_F_AP-RAW_*.csv | double | 1 × n | Newton | Unprocessed breaking and propulsive shear force |
Medio-lateral GRF | GRF_F_ML_RAW_*.csv | double | 1 × n | Newton | Unprocessed medio-lateral shear force |
COP anterior-posterior | GRF_COP_AP_RAW_*.csv | double | 1 × n | Meter | Unprocessed COP coordinate in walking direction |
COP medio-lateral | GRF_COP_ML_RAW_*.csv | double | 1 × n | Meter | Unprocessed COP coordinate in medio-lateral direction |
Vertical GRF | GRF-F_V_PRO_*.csv | double | 1 × n | Multiple of body weight | Processed vertical ground reaction force |
Anterior-posterior GRF | GRF_F_AP_PRO_*.csv | double | 1 × n | Multiple of body weight | Processed breaking and propulsive shear force |
Medio-lateral GRF | GRF-F_ML_PRO_*.csv | double | 1 × n | Multiple of body weight | Processed medio-lateral shear force |
COP anterior-posterior | GRF_COP_AP_PRO_*.csv | double | 1 × n | Meter | Processed COP coordinate in walking direction |
COP medio-lateral | GRF_COP_ML_PRO_*.csv | double | 1 × n | Meter | Processed COP coordinate in medio-lateral direction |
Walking Speed | GRF_walking_speed.csv | double | 1 × n | \(\frac{m}{s}\) | Measured walking speed |