NDLI: Effects of simulated crouch gait on foot kinematics and kinetics in healthy children.

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Effects of simulated crouch gait on foot kinematics and kinetics in healthy children.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Balzer, Julia Schelldorfer, Sarah Bauer, Christoph Van Der Linden, Marietta L.
Description	Author Affiliation: Balzer J ( Department of Physiotherapy, University Zurich Children's Hospital, Rehabilitation Centre, Mühlebergstrasse 104, CH-8910 Affoltern am Albis, Switzerland. Electronic address: Julia.Balzer@kispi.uzh.ch.)
Abstract	Identification of secondary and tertiary impairments in neurologically induced gait deviations, such as crouch gait, is not always straightforward, but essential in order to decide upon the most efficient medical treatment in patients with cerebral palsy (CP). Until now, exact intersegmental dependency of the development of foot deformities has not been investigated. Therefore, the aim of this study was to explore if an artificially induced bilateral knee flexion contracture causes compensatory mechanisms in foot motion during gait in healthy children. Three-dimensional kinematic and kinetic data from 30 healthy children (mean age 10.6 years) were derived from the Oxford Foot model (OFM). Participants walked first in an artificially induced crouch gait (limitation of knee extension to 40°) and then normally. Walking speed was kept the same in both conditions. Analysis revealed small but significant (p<0.05) differences between the two conditions in hindfoot and forefoot kinematics in all three planes during the stance phase as well as for all peak internal moments within the foot. In general the foot tended to compensate for an artificial knee flexion contracture with an increase in maximal dorsiflexion, eversion and external rotation of the hindfoot, which also allowed increased foot motion in other foot segments. The results of this study showed that an isolated proximal joint contracture had an influence on foot position during stance in healthy children. Further interpretation of the data in relation to CP children will be possible as soon as comparable OFM data of pathological crouch gait is available.
File Format	HTM / HTML
ISSN	09666362
Issue Number	4
Volume Number	38
e-ISSN	18792219
Journal	Gait & Posture
Language	English
Publisher	Elsevier
Publisher Date	2013-09-01
Publisher Place	Great Britain (UK)
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Orthopedics Patient Simulation Gait Complications Humans Male Foot Joints Gait Disorders, Neurologic Healthy Volunteers Contracture Journal Article Physiopathology Foot Biomechanical Phenomena Range Of Motion, Articular Knee Joint Orthotic Devices Etiology Adolescent Female Physiology Kinetics Cerebral Palsy Child
Content Type	Text
Resource Type	Article
Subject	Orthopedics and Sports Medicine Rehabilitation Biophysics Sports Science

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