Stature is an essential predictor of muscle strength in childrenReport as inadecuate




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BMC Musculoskeletal Disorders

, 13:176

Rehabilitation, physical therapy and occupational health

Abstract

BackgroundChildren with growth retardation or short stature generally present with lower strength than children of the same chronological age. The aim of the study was to establish if strength was dependent on variables related to stature in a population of healthy children and to propose practical predictive models for the muscle functions tested. A secondary aim was to test for any learning effects concerning strength measured at two successive visits by children.

MethodsHand grip, elbow flexion and extension, and knee flexion and extension were measured by fixed dynamometry in 96 healthy subjects 47 girls and 49 boys, aged from 5 to 17 years.

ResultsFor the present paediatric population, muscle strength was highly dependent on height. Predictive models are proposed for the muscle functions tested. No learning effect between the first and the second visit was detected for any of the muscle functions tested.

ConclusionsThis work shows that strength measurements using fixed dynamometry are reliable in children when using appropriate standardization of operating procedures. It underlines the particular relationship between body stature and muscle strength. Predictive equations may help with assessing the neuromuscular involvement in children suffering from various disorders, particularly those affecting their stature.

KeywordsMuscle strength Dynamometry Children Growth retardation AbbreviationsMVICMaximal voluntary isometric contraction

QMTQuantitative Muscle Testing

ICCIntraclass Correlation Coefficient

SEMStandard error of measurement.

Electronic supplementary materialThe online version of this article doi:10.1186-1471-2474-13-176 contains supplementary material, which is available to authorized users.

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Author: Jean-Yves Hogrel - Valérie Decostre - Corinne Alberti - Aurélie Canal - Gwenn Ollivier - Emilie Josserand - Ilham Taouil

Source: https://link.springer.com/







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