Adductor pollicis muscle: potential anthropometric parameter in hospitalized individuals

Teresa Cristina Abranches Rosa, Daniela Granja Arakaki, Evânia Catarina Fernandez de Arruda, Aline Souza Rodrigues, Mariana Raslan, Karine de Cássia Freitas


This study evaluated the measurement of adductor pollicis muscle thickness as a parameter for the assessment of nutritional status in patients admitted to a University Hospital in Campo Grande, Mato Grosso do Sul State. This is a prospective cross-sectional study with 64 adults and elderly patients. We evaluated the percentage of weight loss based on the usual weight, arm circumference, triceps skinfold thickness, arm muscle circumference, laboratory parameters and measurement of adductor pollicis muscle thickness. The measurements were performed only once, in the first 72 hours of hospitalization. Data were analyzed using statistical software BioEstat 5.0, with a significance level of 0.05. The average thickness of the adductor pollicis muscle was 17.5 + 5.3 mm. We found a significant negative association of muscle with age. There was a significant association between the measure of muscle and parameters such as body mass index, arm circumference, arm muscle circumference, albumin and nutritional status assessed by physical examination. The adductor pollicis muscle allows easy measurement, direct assessment, fast results, low cost and good correlation with anthropometric parameters. However, further studies should be conducted to validate this new method.



anthropometry; nutrition assessment; patient care

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ISSN 1679-9291 (impresso) e ISSN 1807-8648 (on-line) e-mail:


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