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Muscle Mass Assessment in Sarcopenia: A Narrative Review

Overview
Journal JMA J
Specialty General Medicine
Date 2023 Nov 9
PMID 37941710
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Abstract

Sarcopenia is a condition characterized by age-related muscle loss and dysfunction. Over the past decade, several working groups have developed diagnostic criteria for sarcopenia, including muscle mass, grip strength, and gait speed measurements. However, there is debate over which muscle mass indicator is the most appropriate. Some groups used appendicular lean mass divided by height squared, whereas others used appendicular lean mass divided by body mass index. In addition, the association between muscle mass and long-term health outcomes is inconsistent. As a result, some experts question the necessity of using muscle mass as a diagnostic criterion for sarcopenia. This review summarizes the measurement methods and muscle mass indicators of previous studies, highlighting issues with past muscle mass assessments.

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