Stature is an essential predictor of muscle strength in children

Jean-Yves Hogrel1, Valérie Decostre, Corinne Alberti

  • 1Institut de Myologie, UPMC UM 76, INSERM U 974, CNRS UMR 7215, Paris Cedex 13, 75651, France. jy.hogrel@institut-myologie.org

Insights

Muscle strength in children is strongly linked to their height. This study developed predictive models for muscle functions, finding no learning effect between testing sessions, suggesting reliable strength assessments for children.

Area of Science:

  • Pediatric Health
  • Human Physiology
  • Biomechanical Analysis

Background:

  • Children with growth retardation or short stature often exhibit reduced muscle strength compared to peers.
  • Understanding the relationship between stature and strength is crucial for assessing pediatric neuromuscular development.

Purpose of the Study:

  • To determine if muscle strength in healthy children correlates with stature-related variables.
  • To develop practical predictive models for muscle functions.
  • To investigate potential learning effects in strength measurements over two visits.

Main Methods:

  • Measured hand grip, elbow flexion/extension, and knee flexion/extension strength.
  • Utilized fixed dynamometry in 96 healthy children (ages 5-17).

Main Results:

  • Muscle strength was found to be highly dependent on height in the pediatric population studied.
  • Predictive models for tested muscle functions were successfully developed.
  • No significant learning effect was observed between the first and second strength measurement visits.

Conclusions:

  • Fixed dynamometry provides reliable strength measurements in children with standardized procedures.
  • A significant relationship exists between body stature and muscle strength in pediatric populations.
  • Developed predictive equations can aid in evaluating neuromuscular involvement in children with stature-affecting disorders.
Abstract

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