Imbalance / gait disturbance

What it is

Imbalance or gait disturbance is difficulty maintaining steadiness or a normal walking pattern. It can occur in Chiari malformation, resulting from effects on the cerebellum (which coordinates balance and movement) or the spinal cord (in the case of a syrinx).

Understanding Imbalance / gait disturbance

The cerebellum is central to balance and coordinated movement, so crowding or dysfunction affecting it in Chiari can lead to unsteadiness, a wide-based or uncoordinated gait, or difficulty with balance. Additionally, a syrinx or cord involvement can affect the legs (through weakness, spasticity, or sensory changes), contributing to gait problems. Imbalance and gait disturbance can be signs of neurological involvement and, when present or progressing, warrant careful evaluation — including for an underlying syrinx or significant compression. Improvement is often possible with treatment, though established deficits may persist. Understanding imbalance in Chiari clarifies a symptom that can reflect cerebellar or spinal cord involvement and signal the need for evaluation.

Why it matters

Understanding imbalance in Chiari helps families see that difficulty with steadiness or walking can reflect cerebellar or spinal cord involvement, and that such signs warrant careful evaluation.