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Special Reference to Stance and Gait

Per Soelberg Sørensen, MD; Erik C. Jansen, MD; Flemming Gjerris, MD, PhD

Arch Neurol. 1986;43(1):34-38.

Abstract
• Motor disturbances in 16 patients with normal-pressure hydrocephalus were assessed by quantitative registration of handwriting, fine movements of the hand, hand tremor, postural instability, and gait. Tremor intensity was measured using an accelerometer and electronic integration of the accelerometer curves. Postural instability was measured on a computerassisted force-plate, and computerized analysis of gait was made using an instrumented treadmill. Severe disturbances in motor performance in the upper extremities and postural stability were found. The gait of the hydrocephalic patients was characterized by a very low speed, short steps, ataxia (especially in the vertical direction), and high energy consumption. After shunt operation, significant improvement was found in motor performance in the upper extremities and postural stability, and gait ataxia decreased in all patients to values within the 95% confidence interval of age-matched controls.

Author Affiliations
From the University Clinic of Neurology and Neurosurgery, Rigshospitalet, Copenhagen (Dr Soelberg Sørensen); the Biomechanical Laboratorium, Copenhagen County Hospital, Gentofte and Herlev, Denmark (Dr Jansen); and the University Clinic of Neurosurgery, Glostrup, Denmark (Dr Gjerris).

Footnotes
Accepted for publication March 28, 1985.

Reprint requests to University Clinic of Neurology, Rigshospitalet, DK-2100 Copenhagen, Denmark (Dr Soelberg Sørensen).

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