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Reference values for muscle strength: a systematic review with a descriptive meta-analysis.

Poliana do Amaral Benfica1, Larissa Tavares Aguiar1, Sherindan Ayessa Ferreira de Brito1

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|May 17, 2018
PubMed
Summary

This study systematically reviewed and synthesized muscle strength reference values for healthy individuals. The meta-analysis provides reliable isometric strength data for 14 muscle groups in adults and the elderly, aiding clinical assessments.

Keywords:
AssessmentLower extremityMeta-analysisMuscle strengthReference valuesUpper extremity

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Area of Science:

  • Physiology
  • Biomedical Engineering
  • Public Health

Background:

  • Muscle strength is a critical determinant of overall health and functional capacity.
  • Establishing normative data for muscle strength is essential for accurate health assessments.

Purpose of the Study:

  • To systematically review and evaluate studies establishing muscle strength reference values in healthy populations.
  • To synthesize these reference values using a descriptive meta-analysis approach.

Main Methods:

  • A systematic review of MEDLINE, LILACS, and SciELO databases was conducted.
  • Studies assessing reference values for appendicular/axial muscle groups in healthy individuals were included.
  • Methodological quality and risk of bias were assessed using QUADAS-2.

Main Results:

  • 46 studies were included, with most demonstrating adequate methodological quality.
  • Evaluated muscle groups included appendicular (80.4%) and axial (36.9%).
  • Meta-analysis synthesized isometric strength reference values for 14 muscle groups in adults and the elderly.

Conclusions:

  • The meta-analysis yielded reliable reference values for isometric muscle strength in key appendicular muscle groups.
  • These synthesized data, measured via dynamometers/myometers, are valuable for interpreting clinical evaluations.
  • The findings support the establishment of appropriate treatment and rehabilitation goals.