Table 2.
Scale of the Assessment and Rating of Ataxia distribution of score27
| Assessment | Score Rating |
|---|---|
| Gait | 0–8 0—Normal 1—Slight difficulties seen with tandem only 2—Abnormal gait, cannot perform tandem 3—Staggering gait but walks without support 4—Marked staggering, touching walls intermittently 5—Severe staggering, support of walking stick/cane or light one arm support needed 6—Can walk >10 m but needs walker or person 7—Can walk <10 m with walker or person 8—Cannot walk even with support |
| Stance | 0–6 0—Normal 1—Cannot stand in tandem for >10 s, no sway in other positions 2—Can stand with feet together for >10 s but has sway 3—Can stand in natural position only >10 s 4—Can stand in natural position only >10 s with intermittent support 5—Can stand in natural position only >10 s with constant arm support 6—Cannot stand in natural position >10 s even with constant support |
| Sitting | 0–4 0—Normal 1—Intermittent sway with sitting >10 s 2—Constant sway with sitting >10 s 3—Intermittent support needed with sitting >10 s 4—Unable to sit >10 s without continuous support |
| Speech disturbance | 0–6 0—Normal 1—Slight speech impairment 2—Noticeably impaired speech but easily understood 3—Occasional words difficult to understand 4—Many words difficult to understand 5—Only single words understood 6—Cannot understand speech/anarthria |
| Finger chase | Right 0–4; Left 0–4 0—Normal 1—Dysmetria <5 cm 2—Dysmetria <15 cm 3—Dysmetria >15 cm 4—Cannot perform 5 consecutive movements |
| Finger-nose-finger test | Right 0–4; Left 0–4 0—Normal 1—Tremor amplitude <2 cm 2—Tremor amplitude <5 cm 3—Tremor amplitude >5 cm 4—Unable to perform 5 movements |
| Rapid alternating movements | Right 0–4; Left 0–4 0—Normal 1—Slight irregularities, can perform 10 alternations <10 s 2—Clear irregularities, can perform 10 alternations <10 s 3—Many irregularities, interruptions, and undistinguishable movements, performs alterations >10 s 4—Cannot perform 10 alternating movements |
| Heel-shin slide | Right 0–4; Left 0–4 0—Normal 1—Slightly abnormal, contact with shin maintained 2—Clearly abnormal, can go off shin ≤3 times 3—Severely abnormal, goes off shin ≥4 times 4—Cannot perform |
| Total: 40 |
Appendicular examination, including finger chase, finger-nose-finger, rapid alternating movements, and heel-shin slide, are averaged scores of the left and right sides.