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Ultrasound Models Estimate Whole-Body Muscle Mass

New equations incorporating cross-sectional area improve estimation accuracy.

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Recent research has validated ultrasound-derived equations that accurately estimate whole-body muscle mass in healthy Caucasian adults by utilizing magnetic resonance imaging (MRI) as a reference. The study, involving 211 participants, revealed that models combining muscle thickness and cross-sectional area (CSA) outperformed those based solely on muscle thickness, achieving an adjusted R² exceeding 0.9. Key findings include the most accurate model using ten variables and the necessity for further validation in diverse populations. Conducted by Jona Van den Broeck and his team, this work could enhance muscle mass assessment techniques.

Original Source(s)

Ultrasound Models Estimate Whole-Body Muscle Mass

  • by Kathryn Wighton

  • March 26, 2026

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