(Developed by Brin, Albany KA. 1991)

0. No increase in tone.
1.
Increased tone, hips easly abducted to 45º by one person.
2.
Hips abducted to 45º by one person width mild effort.
3.
Hips abducted to 45º by one person width moderate effort.
4.
Two people requiered to abduct the hips to 45º.