Associations between body composition phenotypes and physical function in community-dwelling older adults: an exploratory analysis of limb muscle mass asymmetry - Takeaways - MDSpire

Exploring the Relationship Between Body Composition Types and Physical Function in Older Adults Living Independently: A Focus on Limb Muscle Mass Imbalance

  • By

  • Yawen Lv

  • Ziwen Zhou

  • Xiaoyue Shen

  • Hongyu Wang

  • July 17, 2026

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  • 1

    The study identified three body composition phenotypes among older adults: low-adiposity, balanced, and high-adiposity–high-muscle.

  • 2

    Significant differences in physical function were observed across phenotypes, particularly in grip strength and one-leg stance performance.

  • 3

    Limb muscle mass asymmetry was not robustly associated with functional performance after correction for multiple comparisons.

  • 4

    The high-adiposity–high-muscle phenotype exhibited the highest grip strength, while the low-adiposity phenotype showed superior balance.

  • 5

    The findings suggest that body composition phenotypes may help understand functional heterogeneity in older adults.

Original Source(s)

Associations between body composition phenotypes and physical function in community-dwelling older adults: an exploratory analysis of limb muscle mass asymmetry

  • by Yawen Lv, Ziwen Zhou, Xiaoyue Shen, Hongyu Wang

  • July 17, 2026

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