Stance and Gait Ataxia Presence of Rombergs Sign

Damage to the anterior lobe (spinocerebellum or paleocerebellum) result in ataxia of stance and gait. Patients with this disorder develop a severe disturbance of standing and walking with relatively preserved fine coordinated movements of the upper limbs. Lesions of the spinocerebellar part of the anterior lobe are mainly observed in chronic alcoholics and lead to anteroposterior body sway with a frequency of about 3 Hz. Visual stabilization of posture is preserved and the tremor is provoked by eye closure (presence of Romberg's sign). Patients rarely fall because the body tremor is opposite in phase in head, trunk, and legs, resulting in a minimal shift of the center of gravity. Dysathria and dysmetric saccades are frequently associated cerebellar signs.

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