March 3, 2026Tremor and Other Hyperkinetic Movements0 citationsOpen Access

Does the Severity of Arm Tremor in Essential Tremor Correlate with Impaired Balance?

ELElan D. LouisThe University of Texas Southwestern Medical Center DBDiane BerryThe University of Texas Southwestern Medical Center

Key Points

Upper limb action tremor severity correlates with both balance confidence and performance-based balance measures.
A notable connection exists between tremor severity and tandem gait performance, suggesting shared underlying mechanisms.
Data support a model indicating that both tremors and balance issues may stem from cerebellar dysfunction.
Findings encourage further exploration of the relationship between balance confidence and motor function in essential tremor.

Abstract

We report an association between the severity of upper limb action tremor in ET and both a self-reported measure of balance confidence and a performance-based measure of balance. These data support the model that upper limb action tremor and tandem gait difficulty are associated in some way, with one possible interpretation being that they are both related to a common underlying element, cerebellar dysfunction.

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