Muscle tone | Score | Spasm frequency |
No increase in muscle tone | 0 | No spasms |
Increased tone: hips easily abducted to 45° by one person | 1 | One or fewer spasms/day |
Hips abducted to 45° by one person with mild effort | 2 | One to five spasms/day |
Hips abducted to 45° by one person with major effort | 3 | Six to nine spasms/day |
One person unable to abduct hips to 45° | 4 | ⩾10 spasms/day, or continuous contractions |