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JFSF Vol 9, No 1, March 2024, p.25-31

doi: 10.22540/JFSF-09-025


Original Article

Relation Between Ultrasonographic Measurements of the Biceps Brachii and Total Muscle Mass in Older Hospitalized Persons: A Pilot Study

Blanca Alabadi1,2,3, Sophie Bastijns4, Anne-Marie De Cock4, Miguel Civera1,2,5, José Tomás Real1,2,3,5, Stany Perkisas4

  1. Service of Endocrinology and Nutrition, Hospital Clínico Universitario of Valencia, Valencia, Spain
  2. INCLIVA Biomedical Research Institute, Valencia, Spain
  3. CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), ISCIII, Madrid, Spain
  4. University Center for Geriatrics, University of Antwerp/ ZAS, Antwerp, Belgium
  5. Department of Medicine, University of Valencia, Valencia, Spain

Keywords: Biceps brachii, Older people, Sarcopenia, Ultrasound


Objectives: To assess the link between ultrasonographic measurements of the biceps brachii and total muscle mass measured by bio-impedancemetry in hospitalized older patients. Methods: A prospective observational study was conducted. The study included patients older than 65 years admitted in internal medicine, acute geriatrics, orthogeriatrics and rehabilitation departments. All measurements, ultrasonographic measurements and muscle mass and function by bio-impedancemetry and dynamometry, were taken within the first 48 hours of admission. Results: In total 19 patients were included, the mean age was 85.4 ± 3.9 years and 7 (36.8%) were females. Very strong direct correlations were obtained in the entire cohort in both biceps brachii cross-sectional area and muscle thickness with skeletal muscle mass displayed in kilograms. Conclusion: Biceps brachii looks like a very good muscle measuring tool: easy, comfortable, fast, good correlated with total body muscle mass. This muscle could effectively be used for the assessment of muscle mass in the diagnosis of sarcopenia since it reflects muscle mass precisely, however more studies are needed to provide reference values in all age cohorts.
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