ALS score of disability

Gait disturbance
    Grade 0Normal gait
    Grade 1Leg weakness or abnormal gait, no restricted activity
    Grade 2Grade 1 with restricted activity
    Grade 3Requires cane or similar support for walking
    Grade 4Requires walker or crutches for walking
    Grade 5Unable to stand, confined to bed or wheelchair
    Grade 0No urinary symptoms
    Grade 1Hesitance, urgency, or frequency
    Grade 2Occasional urinary incontinence or retention
    Grade 3Total urinary incontinence or retention