Asociación del ángulo de fase en atletas élite de halterofilia con registros de fuerza máxima, composición corporal y rendimiento deportivo

dc.contributor.advisorPovea Combariza, Camilo E.
dc.contributor.authorCamargo Pinto, Leonardo H.
dc.contributor.orcidCamargo Pinto, Leonardo H. [0000000181542247]
dc.date.accessioned2025-11-25T12:51:49Z
dc.date.available2025-11-25T12:51:49Z
dc.date.issued2025
dc.descriptionilustraciones (algunas a color), diagramas, fotografías, tablasspa
dc.description.abstractIntroducción. El ángulo de fase (AF), obtenido por bioimpedancia eléctrica, es un biomarcador asociado con la integridad celular y la calidad muscular. En halterofilia, deporte de alta exigencia, identificar la relación entre el AF, la composición corporal y el rendimiento competitivo resulta clave para optimizar la preparación y la salud de los atletas. Objetivo. Determinar la asociación entre el ángulo de fase y los registros de fuerza máxima, composición corporal y rendimiento deportivo en atletas élite de halterofilia. Materiales y métodos. Se desarrolló un estudio retrospectivo descriptivo, sin riesgo, aprobado por el comité de ética del Ministerio del Deporte. Se incluyeron 26 atletas mayores de edad participantes en una competencia oficial de halterofilia. Se registraron 88 variables de composición corporal mediante bioimpedancia multifrecuencia (Biody Xpert 3) y cinco variables competitivas (arranque, envión, total olímpico, coeficiente de Sinclair y obtención de medalla). Se aplicaron pruebas de normalidad (Shapiro-Wilk), análisis descriptivos, correlaciones de Spearman y modelos de regresión para identificar asociaciones predictivas. Resultados. El ángulo de fase presentó correlaciones significativas con los registros deportivos: arranque (ρ = 0.639, p < 0.001), envión (ρ = 0.637, p < 0.001), total (ρ = 0.693, p < 0.001) y medalla (ρ = 0.404, p = 0.041). Además, se observaron asociaciones muy fuertes entre la masa celular activa Corr. > 0.88, p < 0.001) y el agua intracelular (Corr. > 0.90, p < 0.001) con el rendimiento. Los atletas de la selección Colombia exhibieron valores de AF superiores a los reportados en otros estudios, con una mediana que se ubica entre el percentil 50 y 85 de los valores de referencia publicados hasta la fecha para población atlética. Discusión. El AF en los miembros de la selección Colombia de halterofilia es considerablemente más alto que lo reportado para deportistas en la literatura científica, lo cual puede estar relacionado con el momento de la temporada en la que se realizó la medición. El AF se correlaciona moderadamente con la fuerza máxima en envión, arranque, total olímpico, así como coeficiente de Sinclair, confirmando su utilidad como indicador del estado fisiológico en atletas de élite. Sin embargo, variables como la masa muscular esquelética y el agua intracelular mostraron correlaciones más fuertes con el rendimiento. Estos hallazgos destacan la importancia de la bioimpedancia en el monitoreo del estado de forma y la preparación deportiva. Los valores de correlación encontrados en las variables de BIA analizadas permiten hipotetizar que existen modelos de regresión que permitan predecir los resultados de envión, arranque y total olímpico. Conclusiones. El ángulo de fase se correlaciona moderadamente con las variables de rendimiento deportivo en deportistas élite de halterofilia. Otras variables de la BIA tienen correlación muy fuerte con los registros en envión, arranque, total olímpico y coeficiente de Sinclair en esta población. El ángulo de fase es útil como marcador de alistamiento deportivo en halterofilia, aunque otras variables de la BIA como agua intracelular y masa celular activa pudieran ser más precisas para el monitoreo. Es necesario realizar estudios adicionales que incluyan un mayor número de atletas para confirmar estos hallazgos. Se requieren estudios de carácter longitudinal que analicen el impacto de las intervenciones que mejoren el agua intracelular como estrategias de hidratación, carga de carbohidratos y adecuada progresión del entrenamiento de fuerza en el rendimiento deportivo en halterofilia (Texto tomado de la fuente).spa
dc.description.abstractIntroduction. Phase angle (PhA), derived from bioelectrical impedance analysis (BIA), is a biomarker of cellular integrity and muscle quality. In weightlifting—a sport with substantial physiological demands—clarifying how PhA relates to body composition and competitive performance is essential for optimizing athlete preparation and health. Objective. To determine the association between PhA and maximal strength records, body composition, and sports performance in elite weightlifters. Materials and methods. I conducted a retrospective descriptive study of minimal risk approved by the ethics committee of the Ministry of Sport. Twenty-six adult athletes competing in an official weightlifting event were included. Body composition was assessed with multifrequency BIA (Biody Xpert 3), yielding 88 variables; five competition outcomes were recorded (snatch, clean and jerk, Olympic total, Sinclair coefficient, and medal earned). Shapiro–Wilk tests, descriptive statistics, Spearman correlations, and regression models were used to identify predictive associations. Results. PhA correlated significantly with snatch (ρ = 0.639, p < 0.001), clean and jerk (ρ = 0.637, p < 0.001), total (ρ = 0.693, p < 0.001), and medal attainment (ρ = 0.404, p = 0.041). Performance also showed very strong associations with body cell mass (ρ > 0.88, p < 0.001) and intracellular water (ρ > 0.90, p < 0.001). Members of the Colombian national team exhibited PhA values higher than those reported in prior studies, with a median between the 50th and 85th percentiles of published athletic reference values. Discussion. PhA in this elite cohort was notably higher than values reported in the literature, potentially reflecting the timing within the competitive season. PhA demonstrated moderate correlations with maximal strength in the clean and jerk, snatch, Olympic total, and the Sinclair coefficient, supporting its utility as an indicator of physiological status. However, skeletal muscle mass and intracellular water showed stronger relationships with performance. These findings underscore the value of BIA for monitoring training status and readiness and suggest that regression models could predict snatch, clean and jerk, and total outcomes. Conclusions. PhA is moderately associated with performance variables in elite weightlifters, while other BIA-derived measures—notably intracellular water and body cell mass—exhibit very strong correlations with the snatch, clean and jerk, Olympic total, and Sinclair coefficient. PhA is useful as a readiness marker, though intracellular water and body cell mass may provide greater precision for monitoring. Larger, longitudinal studies are warranted to confirm these findings and to evaluate whether interventions that increase intracellular water—such as hydration strategies, carbohydrate loading, and progressive strength training—translate into performance gains.eng
dc.description.degreelevelEspecialidades Médicas
dc.description.degreenameEspecialista en Medicina del Deporte
dc.description.methodsSe desarrolló un estudio retrospectivo descriptivo, sin riesgo, aprobado por el comité de ética del Ministerio del Deporte. Se incluyeron 26 atletas mayores de edad participantes en una competencia oficial de halterofilia. Se registraron 88 variables de composición corporal mediante bioimpedancia multifrecuencia (Biody Xpert 3) y cinco variables competitivas (arranque, envión, total olímpico, coeficiente de Sinclair y obtención de medalla). Se aplicaron pruebas de normalidad (Shapiro-Wilk), análisis descriptivos, correlaciones de Spearman y modelos de regresión para identificar asociaciones predictivas.
dc.format.extent73 páginas
dc.format.mimetypeapplication/pdf
dc.identifier.instnameUniversidad Nacional de Colombiaspa
dc.identifier.reponameRepositorio Institucional Universidad Nacional de Colombiaspa
dc.identifier.repourlhttps://repositorio.unal.edu.co/spa
dc.identifier.urihttps://repositorio.unal.edu.co/handle/unal/89144
dc.language.isospa
dc.publisherUniversidad Nacional de Colombia
dc.publisher.branchUniversidad Nacional de Colombia - Sede Bogotá
dc.publisher.facultyFacultad de Medicina
dc.publisher.placeBogotá, Colombia
dc.publisher.programBogotá - Medicina - Especialidad en Medicina del Deporte
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dc.rights.accessrightsinfo:eu-repo/semantics/openAccess
dc.rights.licenseAtribución-NoComercial 4.0 Internacional
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/
dc.subject.ddc610 - Medicina y salud::612 - Fisiología humana
dc.subject.ddc610 - Medicina y salud::613 - Salud y seguridad personal
dc.subject.lembLEVANTAMIENTO DE PESASspa
dc.subject.lembWeight liftingeng
dc.subject.lembENTRENAMIENTO CON PESASspa
dc.subject.lembWeight trainingeng
dc.subject.lembFISICOCULTURISMOspa
dc.subject.lembBodybuildingeng
dc.subject.lembCOMPOSICION DEL CUERPO HUMANOspa
dc.subject.lembBody compositioneng
dc.subject.lembFUERZA MUSCULARspa
dc.subject.lembMuscle strengtheng
dc.subject.proposalBioimpedanciometríaspa
dc.subject.proposalÁngulo de fasespa
dc.subject.proposalComposición corporalspa
dc.subject.proposalHalterofiliaspa
dc.subject.proposalRendimiento deportivospa
dc.subject.proposalBioelectrical impedance analysiseng
dc.subject.proposalPhase angleeng
dc.subject.proposalBody compositioneng
dc.subject.proposalWeightliftingeng
dc.subject.proposalAthletic performanceeng
dc.titleAsociación del ángulo de fase en atletas élite de halterofilia con registros de fuerza máxima, composición corporal y rendimiento deportivospa
dc.title.translatedAssociation of phase angle in elite weightlifters with maximal strength records, body composition, and sports performanceeng
dc.typeTrabajo de grado - Especialidad Médica
dc.type.coarhttp://purl.org/coar/resource_type/c_bdcc
dc.type.coarversionhttp://purl.org/coar/version/c_ab4af688f83e57aa
dc.type.contentText
dc.type.driverinfo:eu-repo/semantics/masterThesis
dc.type.redcolhttp://purl.org/redcol/resource_type/TM
dc.type.versioninfo:eu-repo/semantics/acceptedVersion
dcterms.audience.professionaldevelopmentEstudiantes
dcterms.audience.professionaldevelopmentInvestigadores
dcterms.audience.professionaldevelopmentMaestros
dcterms.audience.professionaldevelopmentPúblico general
oaire.accessrightshttp://purl.org/coar/access_right/c_abf2

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