Impaired H-Reflex Gain during Postural Loaded Locomotion in Individuals Post-Stroke

Document Type

Article

Publication Date

12-2-2015

Publication Title

PLOS One

Volume

10

Issue

12

First page number:

e0144007

Abstract

Successful execution of upright locomotion requires coordinated interaction between controllers for locomotion and posture. Our earlier research supported this model in the non-impaired and found impaired interaction in the post-stroke nervous system during locomotion. In this study, we sought to examine the role of the Ia afferent spinal loop, via the H-reflex response, under postural influence during a locomotor task. We tested the hypothesis that the ability to increase stretch reflex gain in response to postural loads during locomotion would be reduced post-stroke.

Keywords

Biological locomotion; Postural control; Electromyography; Reflexes; Musculoskeletal system; Legs; Nervous system; Walking

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