Stance control is not affected by paresis and reflex hyperexcitability: the case of spastic patients

Journal of Neurology, Neurosurgery, and Psychiatry
A NardoneM Schieppati

Abstract

Spastic patients were studied to understand whether stance unsteadiness is associated with changes in the control of voluntary force, muscle tone, or reflex excitability, rather than to abnormal posture connected to the motor deficit itself. Twenty four normal subjects, 12 patients affected by amyotrophic lateral sclerosis (ALS), seven by spastic paraparesis, and 14 by hemiparesis were studied. All patients featured various degrees of spasticity and paresis but were free from clinically evident sensory deficits. Body sway during quiet upright stance was assessed through a stabilometric platform under both eyes open (EO) and eyes closed (EC) conditions. The sudden rotation of a supporting platform, in a toe up and toe down direction respectively, evoked short (SLR) and medium latency (MLR) reflex responses to stretch of the soleus or the tibialis anterior (TA) muscle. No relation was found between clinical findings (tone, muscle strength, tendon reflexes, plantar response, and duration of disease) and body sway. On average, all patient groups exhibited a forward shift of the centre of foot pressure (CFP) with respect to normal subjects; in addition, paraparetic and to a much larger extent hemiparetic patients showed a lateral sh...Continue Reading

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Citations

Jun 21, 2013·Journal of Neurology·Jorik NonnekesVivian Weerdesteyn
Mar 9, 2004·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·Antonio Nardone, Marco Schieppati
Jan 12, 2012·The Journal of Alternative and Complementary Medicine : Research on Paradigm, Practice, and Policy·Borja del Pozo-CruzNarcis Gusi
Jan 18, 2003·Journal of Neurology, Neurosurgery, and Psychiatry·J P R Dick
Mar 22, 2014·Journal of Neuroengineering and Rehabilitation·David GasqPhilippe Marque
Jun 20, 2014·Archives of Physical Medicine and Rehabilitation·Mohammed SanjakBenjamin Rix Brooks
Feb 11, 2014·Expert Review of Neurotherapeutics·Chetan Purushottam PhadkeGeorge Mochizuki
Mar 26, 2009·Gait & Posture·Antonio NardoneMarco Schieppati
Aug 21, 2008·Neuroscience·A Nardone, M Schieppati
Jul 20, 2007·Lancet Neurology·Volker Dietz, Thomas Sinkjaer
Aug 7, 2007·Archives of Physical Medicine and Rehabilitation·Laurent BensoussanAlain Delarque
Nov 9, 2015·Neurophysiologie clinique = Clinical neurophysiology·C BeyaertG E Frykberg
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Sep 16, 2014·IEEE Transactions on Neural Systems and Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society·Jonathan Singer, George Mochizuki
Mar 28, 2006·Human Movement Science·Akinori NaganoSenshi Fukashiro
Jun 28, 2005·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·Antonio Nardone, Marco Schieppati
Aug 19, 2015·Research in Developmental Disabilities·Faustyna ManikowskaMaria K Lebiedowska
Apr 25, 2015·Topics in Stroke Rehabilitation·Hajar MehdizadehBahram Sangelaji
Sep 17, 2019·The Journal of Physiology·Véronique Marchand-PauvertPierre-François Pradat
Jul 1, 2019·NeuroRehabilitation·Iris KriegChristoph Maurer
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Aug 31, 2019·Archives of Physical Medicine and Rehabilitation·Marjorie KerzoncufLaurent Bensoussan

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