NDLI: Postural control in quiet standing in patients with psychotic disorders.

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Postural control in quiet standing in patients with psychotic disorders.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Stensdotter, Ann-Katrin Lorås, Håvard W. Fløvig, John Christian Djupsjöbacka, Mats
Description	Author Affiliation: Stensdotter AK ( Faculty of Health Education and Social Work, Physiotherapy, Sør-Trøndelag University College, Trondheim, Norway. Electronic address: ann-katrin.stensdotter@hist.no.)
Abstract	There is evidence that patients with psychotic conditions display greater center of pressure (CoP) displacement during quite standing than healthy subjects, but the underlying impairments in the control mechanisms are uncertain. The aim of this study was to identify the nature of possible impairments in the control of posture by modulation of visual and kinesthetic information during quiet standing. Center of pressure (CoP) data and whole-body kinematics of the center of mass (CoM) were recorded during quite standing on a firm surface with eyes open and with eyes closed, and standing with eyes open on a yielding surface. During all three conditions, patients displayed greater migration of CoM and CoP-CoM, a measure related to ankle joint torque, whereas CoP-frequency (MPF) was similar in patients and healthy subjects. Our results suggested that greater postural sway in patients may depend on disproportionally large ankle joint torque without corresponding increase in frequency. Furthermore, interactions between groups and conditions suggested that the patients made less use of visual information for postural control than the healthy subjects.
File Format	HTM / HTML
ISSN	09666362
Issue Number	4
Volume Number	38
e-ISSN	18792219
Journal	Gait & Posture
Language	English
Publisher	Elsevier
Publisher Date	2013-09-01
Publisher Place	Great Britain (UK)
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Psychomotor Performance Research Support, Non-u.s. Gov't Discipline Orthopedics Torque Humans Schizophrenia Male Kinesthesis Pressure Journal Article Physiopathology Young Adult Case-control Studies Biomechanical Phenomena Adult Female Visual Perception Physiology Psychotic Disorders Schizophrenia, Paranoid Postural Balance
Content Type	Text
Resource Type	Article
Subject	Orthopedics and Sports Medicine Rehabilitation Biophysics Sports Science

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