Associated postural adjustments in Parkinson's disease

J. P R Dick, J. C. Rothwell, A. Berardelli, P. D. Thompson, M. Gioux, R. Benecke, B. L. Day, C. D. Marsden

Research output: Contribution to journalArticle

Abstract

Postural activity in muscles of the back and legs associated with voluntary forward elevation of the arm at the shoulder with the subject standing was examined in 14 patients with Parkinson's disease and nine normal individuals. The time of onset of EMG activity in each of the postural muscles, relative to the onset of activity in the prime mover, was the same for both patient and normal groups and did not depend on load. The amplitude of the EMG bursts and their frequency of occurrence, was less in patients o drug treatment and immobile, than when mobile on therapy. We conclude that the timing of associated postural adjustments is normal in Parkinson's disease, although their size may be decreased.

Original languageEnglish
Pages (from-to)1378-1385
Number of pages8
JournalJournal of Neurology, Neurosurgery and Psychiatry
Volume49
Issue number12
DOIs
Publication statusPublished - 1986

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health
  • Neuropsychology and Physiological Psychology
  • Neuroscience(all)
  • Psychiatry and Mental health

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    Dick, J. P. R., Rothwell, J. C., Berardelli, A., Thompson, P. D., Gioux, M., Benecke, R., Day, B. L., & Marsden, C. D. (1986). Associated postural adjustments in Parkinson's disease. Journal of Neurology, Neurosurgery and Psychiatry, 49(12), 1378-1385. https://doi.org/10.1136/jnnp.49.12.1378