Table 6 Summary of outcome measures
From: Head kinematics in patients with neck pain compared to asymptomatic controls: a systematic review
Outcome measure | No. of studies | Specified outcome variable | No. of studies |
|---|---|---|---|
Velocity | 18 | Mean velocity | 10 |
Peak velocity | 12 | ||
Normalized peak amplitude | 1 | ||
Acceleration | 6 | Mean acceleration | 1 |
Peak acceleration | 4 | ||
Peak deceleration | 2 | ||
Magnitude of circumduction vector | 1 | ||
Temporal | 11 | Movement time | 6 |
Reaction time | 3 | ||
Acceleration phase duration | 1 | ||
Deceleration phase duration | 1 | ||
Ratio of phase durations | 4 | ||
Movement smoothness | 11 | Normalized jerk cost | 4 |
Root mean square jerk | 1 | ||
Number of jerk peaks | 1 | ||
Root mean square velocity | 1 | ||
Number of velocity peaks | 2 | ||
Speed index of deviation | 1 | ||
Spectral entropy | 1 | ||
Harmonicity | 1 | ||
Movement accuracy | 8 | Number of errors | 2 |
Point deviation | 7 | ||
Time on target | 2 |