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Non-use After Stroke: Influence of Applied Force and Precision When Reaching With the Paretic Upper Limb — OPTISTROKE  

Stroke Clinical Trial

Official title:
Non-use après Accident Vasculaire cérébral : Influence de la Force et de la précision du Geste à Fournir Lors Des Mouvements du Membre supérieur parétique

Clinical Trial Summary

After a stroke, 80% of patients have an upper limb deficit, limiting activity. Some develop a non-use: they can, but do not, use their paretic limb. Non-use is a general phenomenon applied to all situations where the patient applies unnecessary compensation. Several rehabilitation techniques are effective to counter non-use, but there is insufficient knowledge to choose the most suitable technique. Optimal control theory could help guide these choices. It assumes that the chosen coordination satisfies the constraints of the task (force, amplitude, tolerance) while reducing the cost of the movement. This study will assess non-use by anticipating the sensitivity to the constraints of force and precision deduced from the logic of optimal control. The study authors expect to observe a weakness effect: in a reaching task (i.e. when the person has to touch an object placed in front of them), lightening the paretic arm makes it possible to reduce non-use, and a precision effect: in a reaching task, non-use increases with the required spatial precision.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04747587
Study type Observational
Source Centre Hospitalier Universitaire de Nimes
Contact
Status Completed
Phase
Start date May 11, 2021
Completion date April 25, 2023
View Details
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