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Assessment of Muscle Quantity, Quality and Function.

Bo Kyung Koo1

  • 1Department of Internal Medicine, SMG-SNU Boramae Medical Center, Seoul National University College of Medicine, Seoul, Korea.

Journal of Obesity & Metabolic Syndrome
|March 23, 2022
PubMed
Summary

Sarcopenia, the loss of muscle mass and strength, impacts both elderly and young adults, increasing risks for disability and mortality. This review updates sarcopenia definitions and assessment methods for muscle quantity and quality.

Keywords:
GuidelinesMuscle strengthMuscle weaknessSarcopeniaSkeletal muscle

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Area of Science:

  • Gerontology
  • Muscle Physiology
  • Metabolic Diseases

Background:

  • Sarcopenia is a progressive loss of skeletal muscle mass and function.
  • It is associated with increased risk of physical disability, chronic diseases, and mortality.
  • The condition affects individuals across the lifespan, not exclusively the elderly.

Purpose of the Study:

  • To provide updated definitions of sarcopenia.
  • To offer current recommendations for assessing muscle quantity and quality.
  • To address the broad impact of sarcopenia beyond the elderly population.

Main Methods:

  • Literature review of recent sarcopenia research.
  • Analysis of diagnostic criteria and assessment tools.
  • Synthesis of expert consensus on sarcopenia evaluation.

Main Results:

  • Updated consensus definitions for sarcopenia.
  • Evidence-based recommendations for measuring muscle mass, strength, and function.
  • Highlighting the importance of early detection and intervention.

Conclusions:

  • Accurate assessment of muscle quantity and quality is crucial for diagnosing sarcopenia.
  • Revised definitions aid in consistent identification and management.
  • Addressing sarcopenia is vital for public health across all age groups.