NDLI: Postural responses of adults with cerebral palsy to combined base of support and visual field rotation

Content Provider	IEEE Xplore Digital Library
Author	Slaboda, Jill. C. Lauer, Richard T. Keshner, Emily A.
Copyright Year	2011
Description	Author affiliation: Dept of Physical Therapy, Temple University, Philadelphia, PA, USA (Slaboda, Jill. C.; Lauer, Richard T.; Keshner, Emily A.)
Abstract	We employed a virtual environment to examine the postural behaviors of adults with cerebral palsy (CP). Four adults with CP (22–32 yrs) and 9 healthy adults (21–27 yrs) were tested in a Rod and Frame protocol. They then stood quietly on a platform within a 3-wall virtual environment. The platform was tilted 3° into dorsiflexion while in the dark or with pitch up and down visual field rotations at 30 and 45 °/sec. While the visual field rotated, the platform was held tilted for 30 sec and then slowly returned to a neutral position over 30 sec. Trials with the platform stationary were performed with the same visual field rotations. Center of pressure (CoP) was recorded and center of mass (CoM) was calculated. Angular deviations from the Rod and Frame test were larger in adults with CP suggesting that they are visually dependent. Adults with CP had difficulty maintaining balance when standing on a stationary platform with pitch upward rotation. When the platform tilted with visual field rotation, adults with CP took longer to stabilize themselves after the tilt and had larger CoM oscillations over the trial compared to dark. Plots of CoP revealed that side-to-side CoP increased on both a stationary and tilted platform when visual flow was presented suggesting that adults with CP are unstable with visual flow. Two adults with CP were wheelchair users and they exhibited even larger CoP RMS values indicating greater instability in adults with impaired ambulatory function.
Starting Page	1
Ending Page	6
File Size	1127091
Page Count	6
File Format	PDF
ISBN	9781612844756
e-ISBN	9781612844749
e-ISBN	9781612844732
DOI	10.1109/ICVR.2011.5971856
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-27
Publisher Place	Switzerland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Visualization Cerebral palsy Wheelchairs balance Senior citizens visual flow Virtual environments Muscles Aging ambulatory visual dependence Injuries
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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