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Vol. 7. Issue 1.
Pages 7-12 (January - February 2011)
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Vol. 7. Issue 1.
Pages 7-12 (January - February 2011)
Original article
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Analysis of the body composition of Spanish women with fibromyalgia
Análisis de la composición corporal en mujeres con fibromialgia
Virginia A. Aparicioa,b,c,
Corresponding author

Corresponding author.
, Francisco B. Ortegad, José M. Herediaa, Ana Carbonell-Baezaa,b, Manuel Delgado-Fernándeza
a Facultad de Ciencias de la Actividad Física y del Deporte, Departamento de Educación Física y Deportiva, Universidad de Granada, Granada, Spain
b Unit for Preventive Nutrition, Departament of Bioscience and Nutrition, Karolinska Institutet, Sweden
c Facultad de Farmacia, Departamento de Fisiología, Universidad de Granada, Granada, Spain
d Facultad de Medicina, Departamento de Fisiología, Universidad de Granada, Granada, Spain
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To describe the anthropometric profile and body composition of women from Southern Spain diagnosed with fibromyalgia (FM) and to compare the observed values with values from other studies conducted on FM patients and with national reference values.

Materials and methods

The body composition of 104 women diagnosed with FM was assessed using an eight-electrode impedance meter. The reliability of the body composition measurement was tested in a randomly selected sub-sample (n=28). The reliability study showed a test-retest systematic error close to zero in most of the parameters studied.


The women with FM who were studied had a mean weight of 71.3±13.4kg, height of 158±6cm, body mass index of 28.6±5.1kg/m2, body fat mass of 38.6±7.6%, total body water of 31.6±3.8 L and muscle mass of 23.4±3.0kg. In general, there were no substantial differences in weight and body mass index between women with FM and those analyzed in other Spanish and European studies involving FM patients, nor when they were compared with regional or national reference values. However, the prevalence of obesity in the women with FM under study was 33.7%, a higher figure than that from the national reference data for obesity in similarly aged women (i.e. 26.4%).


The results suggest that obesity is a common condition in women diagnosed with FM, its prevalence in this population being higher than the national reference values. This study provides detailed information about the body composition characteristics of women with FM.

Body composition

Caracterizar el perfil antropométrico y de composición corporal de mujeres con fibromialgia (FM) del sur de España y compararlo con otros estudios nacionales e internacionales de similares características, así como con valores normativos de mujeres españolas.

Materiales y métodos

Se ha analizado la composición corporal de 104 mujeres diagnosticadas de FM mediante un bioimpedianciómetro de 8 electrodos. La fiabilidad de la medida fue estudiada en una submuestra seleccionada aleatoriamente (n=28). El estudio de fiabilidad mostró un error sistemático test vs. re-test cercano a cero en la mayoría de los parámetros estudiados.


Las mujeres con FM estudiadas tuvieron un peso promedio de 71,3±13,4kg, 158,1±6cm de altura, 28,6±5,1kg/m2 de índice de masa corporal, 38,6±7,6% de porcentaje graso, 31,6±3,8 l de agua corporal total y 23,4±3,0kg de masa muscular. En general, no se observan diferencias importantes en peso e índice de masa corporal, tanto entre las mujeres con FM estudiadas y enfermas procedentes de otros estudios nacionales o europeos como en comparación con los valores de referencia andaluces o nacionales. Sin embargo, la prevalencia de obesidad en el grupo de mujeres con FM fue del 33,7%, un valor superior a la prevalencia de obesidad nacional en mujeres de igual rango de edad (i.e. 26,4%).


Los resultados sugieren que la obesidad es una condición frecuente entre mujeres con FM, siendo su prevalencia sustancialmente superior a los valores normativos nacionales. Este estudio presenta información detallada sobre la composición corporal de mujeres con FM.

Palabras clave:
Composición corporal
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Copyright © 2011. Sociedad Española de Reumatología and Colegio Mexicano de Reumatología
Reumatología Clínica (English Edition)
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