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GMFCS Scale

Learn to use the Gross Motor Function Classification System (GMFCS) scale and its five levels of functioning for young patients with cerebral palsy.

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By Nate Lacson on Aug 2, 2025.

Fact Checked by Ericka Pingol.

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Commonly asked questions

The GMFCS, or Gross Motor Function Classification System, is a five-level classification system that evaluates the functional abilities of children and adolescents with cerebral palsy. It categorizes motor function based on self-initiated movement and the need for assistive devices in different settings.

There are five levels according to the GMFCS scale: Level I: Independent walking and running with slight limitations in speed and coordination; Level II: Walks independently but has difficulty with inclines, uneven surfaces, or crowds; Level III: Requires assistive mobility devices and may need help with longer distances; Level IV: Relies mostly on wheeled mobility and may need help with transfers; and Level V: Severe motor impairments require total assistance for mobility and daily activities.

The gross motor function measure (GMFM) score is a quantitative assessment tool used to evaluate changes in gross motor function over time in individuals with cerebral palsy. It measures the ability to perform specific motor tasks, providing insights into progress or the effectiveness of interventions.

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