Severity items: | |
---|---|
Rotation | 0 None |
1 Mild (1/3 range) | |
2 Moderate (1/3 to 2/3 range) | |
3 Severe (>2/3 range) | |
Tilt | 0 None |
1 Mild (<15 degrees) | |
2 Moderate (16-35 degrees) | |
3 Severe (>35 degrees) | |
Anterocollis or retrocollis: | Anterocollis: |
0 None | |
1 Mild downward deviation | |
2 Moderate (1/2 range) | |
3 Severe: chin approximates chest | |
Retrocollis: | |
0 None | |
1 Mild backward deviation | |
2 Moderate deviation (1/2 range) | |
3 Severe (full range) | |
Range of motion and effort (rate for plane of motion that appears most limited): | |
0 Full range of motion, without obvious effort | |
1 Can move head well past midline, or can achieve full range of motion only be exerting obvious effort | |
2 Not able to move head past midline, or past midline only with great effort | |
3 Barely able to move head past the abnormal posture, or moves past abnormal posture briefly only with great effort | |
Tremor and jerking | 0 Absent |
1 Mild: occasional | |
2 Moderate: often present | |
3 Severe: almost always | |
Global assessment severity | 0 None |
1 Mild | |
2 Moderate | |
3 Severe | |
Duration factor:2-150 | |
0 Dystonia not present | |
1 Occasional dystonia (<25% of the time), usually submaximal in severity | |
2 Intermittent (<50% of time), usually submaximal or occasional (<25%) maximal dystonia | |
3 Frequent (>50%), usually submaximal or intermittent maximal | |
4 Constant dystonia or frequent maximal | |
5 Constant maximal dystonia |
↵2-150 Estimated duration of maximal dystonia as % of time dystonia is present during each video segment. This score is weighted ×2.
The maximum possible total score, combining severity items and the weighted duration factor (×2), is 28.