Postural Responses to External Perturbation in Post-Stroke
1 other identifier
interventional
24
1 country
1
Brief Summary
To maintain stable body balance in daily activities, the ability to respond to external perturbations is an essential factor. Such capacity is limited in pathological conditions, such as in stroke, in which postural control is impaired due to lesions to the central nervous system. Impairment to postural control increases body sway during upright posture and leads to augmented frequency of falls. In this sense, the identification of mechanisms involved in body balance disorders after stroke is particularly important in situations of postural perturbation. The purpose of this project is to evaluate reactive postural responses to unpredictable external perturbations, analyzing postural dysfunctions caused by lesion to different brain areas as a result of stroke, and test principles of dynamic body balance rehabilitation.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for not_applicable stroke
Started Aug 2013
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
July 26, 2013
CompletedFirst Posted
Study publicly available on registry
July 31, 2013
CompletedStudy Start
First participant enrolled
August 1, 2013
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 1, 2014
CompletedStudy Completion
Last participant's last visit for all outcomes
October 1, 2014
CompletedAugust 1, 2013
July 1, 2013
6 months
July 26, 2013
July 30, 2013
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Displacement amplitude of the CP to the anterior-posterior and medial-lateral
This outcome measure quantified by the difference between the maximum values of the anterior-posterior and medial-lateral after the start of trial and average position in the axis anteroposterior and mediolateral, respectively, in the 200 ms prior to the onset of the trial.
2 months
Secondary Outcomes (1)
Coordination between the hip and ankle joint
2 months
Other Outcomes (1)
Muscle activation latency
2 months
Study Arms (1)
Sensory Conditions
EXPERIMENTALInterventions
1. full sensory information, whose participants will practice balancing tasks without constraint sensory body; 2. sensory constraint, whose participants will practice the same balance tasks with constraint body of visual and tactile information from the soles of the feet; 3. control, whose participants will exercise activities involving cognitive and upper limbs.
Eligibility Criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Escola de Educação física e Esporte, Universidade de São Paulo
São Paulo, São Paulo, 05508-030, Brazil
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Luis A Teixeira, PhD
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- PhD student
Study Record Dates
First Submitted
July 26, 2013
First Posted
July 31, 2013
Study Start
August 1, 2013
Primary Completion
February 1, 2014
Study Completion
October 1, 2014
Last Updated
August 1, 2013
Record last verified: 2013-07