Intra-rater reliability and agreement of a portable bioelectrical impedance analysis device for body composition assessment

Javier Espasa-Labrador, Álex Cebrián-Ponce, Raúl Galindo-López, Alfredo Irurtia, Jordi Porta, Raúl Fernández-Garcia, Quim Rosales, Marta Carrasco-Marginet,Intra-rater reliability and agreement of a portable bioelectrical impedance analysis device for body composition assessment,Measurement,Volume 259, Part A,2026,119550,ISSN 0263-2241,https://doi.org/10.1016/j.measurement.2025.119550.(https://www.sciencedirect.com/science/article/pii/S0263224125029094)

Phase Angle: A Marker to Monitor Athletes’ Fitness Status

Training Load and Physical Fitness The benefits of physical activity and chronic physical exercise on health are well known, with numerous musculoskeletal, cardiovascular, metabolic, and cerebral adaptations. Paradoxically, acute exercise induces significant physiological stress: increased acidity or mechanical constraints on the muscular and skeletal systems that are objectively detrimental to the body. However, it is […]

The Phase Angle: What Is It and Why Is It Becoming Necessary?

Definition of Phase Angle In bioelectrical impedance analysis (BIA), the phase angle is a raw bioelectrical parameter obtained in two ways: The calculation of this parameter suggests that the phase angle would not be associated with biological functions or structures; however, the interest in it in the scientific literature and its clinical use has strongly […]

Early detection of malnutrition in the elderly: a clinical proposal based on multifrequency bioimpedance

Introduction Aging represents a growing challenge in public health, including the early detection of malnutrition in older adults. This condition, frequently underdiagnosed, negatively impacts functionality, quality of life, and clinical prognosis. Traditional methods of nutritional assessment, focused on body mass index (BMI), medical history and anthropometry, are insufficient to identify metabolic and cellular alterations in […]

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