Short Walking Exercise Leads to Gait Changes and Muscle Fatigue in Children With Cerebral Palsy Who Walk With Jump Gait.
Adolescent
Biomechanical Phenomena
Cerebral Palsy
/ complications
Child
Disability Evaluation
Electromyography
Female
Gait Analysis
Gait Disorders, Neurologic
/ congenital
Hip
/ physiopathology
Humans
Knee
/ physiopathology
Male
Muscle Fatigue
Muscle Strength
Muscle, Skeletal
/ physiopathology
Retrospective Studies
Treatment Outcome
Walking
Young Adult
Journal
American journal of physical medicine & rehabilitation
ISSN: 1537-7385
Titre abrégé: Am J Phys Med Rehabil
Pays: United States
ID NLM: 8803677
Informations de publication
Date de publication:
01 11 2021
01 11 2021
Historique:
pubmed:
16
2
2021
medline:
12
11
2021
entrez:
15
2
2021
Statut:
ppublish
Résumé
The aim of this study was to evaluate kinematic changes and muscle fatigue in jump gait during a walking exercise and the relationship between kinematic changes and muscle fatigue and strength. This preliminary study included 10 children with cerebral palsy who walk with jump gait. Hip and knee maximal isometric muscle strength were measured using a dynamometer. Then, lower-limb kinematics and electromyography were collected while children walked continuously for 6 min at their self-selected speed. Electromyography median frequency and lower-limb joint angles were compared between the first and the sixth minutes of the walking exercise using t test and Wilcoxon rank test. The relationship between kinematic changes and muscle strength and changes in electromyography median frequency were assessed using correlation analyses. During stance, maximal knee flexion significantly increased at the sixth minute (P = 0.01) and was associated with knee extensor muscle weakness (ρ = -0.504, P = 0.03). Muscle fatigue was observed only in the gluteus medius muscle (P = 0.01). Children with cerebral palsy who walked with jump gait and who had knee extensor weakness were more prone to an increase in knee flexion during a continuous walk. The fatigue in the gluteus medius muscle suggests that physical intervention should target the endurance of this muscle to improve jump gait.
Identifiants
pubmed: 33587452
doi: 10.1097/PHM.0000000000001713
pii: 00002060-202111000-00012
doi:
Types de publication
Evaluation Study
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
1093-1099Informations de copyright
Copyright © 2021 Wolters Kluwer Health, Inc. All rights reserved.
Déclaration de conflit d'intérêts
Financial disclosure statements have been obtained, and no conflicts of interest have been reported by the authors or by any individuals in control of the content of this article.
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