Table 2. Description of each of the 20 kinematic parameters.
Roman numerals following the parameter name in the brackets indicate where referenced in Fig 2.
| Kinematic parameter | Description |
|---|---|
| 1.Duration (i) | Duration of movement between onset and offset (secs) |
| 2.Peak velocity (ii) | Highest velocity (mm/sec) |
| 3.Time to peak velocity (iii) | Time from start of movement to reach peak velocity (sec) |
| 4.Percent peak acceleration | % of horizontal movement at which peak velocity occurs |
| 5.Percent time before peak velocity | % of time before peak velocity |
| 6.Percent time after peak velocity | % of time after peak velocity |
| 7.Peak acceleration (iv) | Point of fastest acceleration (mm/sec) |
| 8. Time to peak acceleration (v) | Time to reach peak acceleration (sec) |
| 9.Percent time to peak acceleration | % of time to reach peak acceleration |
| 10.Percent peak acceleration location | % of horizontal movement at which peak acceleration occurs |
| 11.Peak deceleration (vi) | Point of fastest deceleration (mm/sec) |
| 12.Time to peak deceleration (vii) | Time to reach peak deceleration (sec) |
| 13.Percent time to peak deceleration | % of time to reach peak deceleration |
| 14.Percent peak deceleration location | % of horizontal movement at which peak deceleration occurs |
| 15.Jerk | Dimensionless jerk |
| 16.Horizontal Max amplitude (viii) | Maximum amplitude (mm) of movement in horizontal axis |
| 17.Vertical amplitude (ix) | Maximum height (mm) of movement in vertical axis |
| 18.Time to peak vertical amplitude (x) | Time to reach peak vertical amplitude |
| 19.Percent time of peak vertical amplitude | % of time to reach peak vertical amplitude |
| 20.Percent location of peak vertical amplitude | % of horizontal movement at which peak vertical amplitude occurs |