NDLI: Can we unmask features of spasticity during gait in children with cerebral palsy by increasing their walking velocity?

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Can we unmask features of spasticity during gait in children with cerebral palsy by increasing their walking velocity?

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Can we unmask features of spasticity during gait in children with cerebral palsy by increasing their walking velocity?

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Van Campenhout, Anja Bar-On, Lynn Aertbeliën, Erwin Huenaerts, Catherine Molenaers, Guy Desloovere, Kaat
Description	Author Affiliation: Van Campenhout A ( Department of Orthopaedics, University Hospital Leuven, Belgium. Electronic address: anja.vancampenhout@uzleuven.be.); Bar-On L ( Clinical Motion Analysis Laboratory, University Hospital Leuven, Belgium.); Aertbeliën E ( KU Leuven, Department of Mechanical Engineering, Leuven, Belgium.); Huenaerts C ( Clinical Motion Analysis Laboratory, University Hospital Leuven, Belgium.); Molenaers G ( Department of Orthopaedics, University Hospital Leuven, Belgium); Desloovere K ( Clinical Motion Analysis Laboratory, University Hospital Leuven, Belgium)
Abstract	BACKGROUND AND AIM: Spasticity is a velocity dependent feature present in most patients with cerebral palsy (CP). It is commonly measured in a passive condition. The aim of this study was to highlight markers of spasticity of gastrocnemius and hamstring muscles during gait by comparing the effect of increased walking velocity of CP and typical developing (TD) children. METHODS: 53 children with spastic CP and 17 TD children were instructed to walk at self-selected speed, faster and as fast as possible without running. Kinematics, kinetics and electromyography (EMG) were collected and muscle length and muscle lengthening velocity (MLV) were calculated. To compare the data of both groups, a linear regression model was created which resulted in two non-dimensional gait velocities. A difference score (DS) was calculated between the high and low velocity values for both groups. RESULTS: 103 gait parameters were analyzed of which 16 had a statistically significant DS between TD and CP groups. The spastic gastrocnemius muscle presented at high velocity with a higher ankle angular velocity, plantar flexion moment, power absorption and increased EMG signal during loading response. The spastic hamstrings demonstrated at high velocity a delayed maximum knee extension moment at mid-stance and increasing hip extension moment and hip power generation. The hamstrings also presented with a lower MLV during swing phase. CONCLUSIONS: A limited number of gait parameters differ between CP and TD children when increasing walking velocity, giving indirect insight on the effect of spasticity on gait.
File Format	HTM / HTML
ISSN	09666362
Issue Number	3
Volume Number	39
e-ISSN	18792219
Journal	Gait & Posture
Language	English
Publisher	Elsevier
Publisher Date	2014-03-01
Publisher Place	Great Britain (UK)
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Orthopedics Humans Male Gait Disorders, Neurologic Muscle Spasticity Journal Article Physiopathology Walking Biomechanical Phenomena Female Physiology Electromyography Muscle, Skeletal Cerebral Palsy Child
Content Type	Text
Resource Type	Article
Subject	Orthopedics and Sports Medicine Rehabilitation Biophysics Sports Science

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