Extending the Indications for Primary Nerve Surgery in Obstetrical Brachial Plexus Palsy

Table 1

The Hospital for Sick Children Active Movement Scale*.

Observation	Muscle grade
Gravity eliminated
No contraction	0
Contraction, no motion	1
Motion ≤ 1/2 range	2
Motion > 1/2 range	3
Full motion	4
Against gravity
Motion ≤ 1/2 range	5
Motion > 1/2 range	6
Full motion	7

∗Reprinted with permission from [10].