Table 1 Hauser Ambulation index scoring

0 = Asymptomatic; fully active

1 = Walks normally, but reports fatigue that interferes with athletic or other demanding activities

2 = Abnormal gait or episodic imbalance; gait disorder is noticed by family and friends; able to walk 25 ft (8 m) in 10 s or less

3 = Walks independently; able to walk 25 ft in 20 s or less

4 = Requires unilateral support (cane or single crutch) to walk; walks 25 ft in 20 s or less

5 = Requires bilateral support (canes, crutches, or walker) and walks 25 ft in 20 s or less; or requires unilateral support but needs more than 20 s to walk 25 ft

6 = Requires bilateral support and more than 20 s to walk 25 ft; may use wheelchair* on occasion

7 = Walking limited to several steps with bilateral support; unable to walk 25 ft; may use wheelchair* for most activities

8 = Restricted to wheelchair; able to transfer self independently

9 = Restricted to wheelchair; unable to transfer self independently