Efecto de la suplementación con extracto de remolacha en el rendimiento deportivo de atletas de rugby entrenados
| dc.contributor.advisor | Guerrero Orjuela, Ligia Stella | spa |
| dc.contributor.author | Reyes Vega, Leidy Tatiana | spa |
| dc.contributor.orcid | Leidy Tatiana Reyes [0009000706468340] | spa |
| dc.date.accessioned | 2025-12-10T19:05:23Z | |
| dc.date.available | 2025-12-10T19:05:23Z | |
| dc.date.issued | 2025 | |
| dc.description | ilustraciones, gráficas, fotografías, tablas | spa |
| dc.description.abstract | Los nitratos han presentado mayor investigación reciente debido a sus diferentes efectos como la disminución del consumo máximo de oxígeno (VO2max), entre otros. Por esto, se estudia principalmente en deportes cíclicos, dejando poca investigación para deportes acíclicos como el rugby. Objetivo: Evaluar el efecto de la suplementación con nitratos, a partir de la ingesta de extracto de remolacha, sobre el rendimiento deportivo en jugadores de rugby. Metodología: Se llevó a cabo un estudio cuasi experimental con diseño cruzado, doble ciego y controlado, en 10 jugadores de rugby entrenados (5 hombres y 5 mujeres). Se brindó, en momentos distintos, el extracto de remolacha (6 mmol de nitratos) y un placebo, ambos formulados en wafle. La intervención se desarrolló durante tres días consecutivos, incluyendo las pruebas, con consumo dos horas antes de la evaluación. Se aplicaron pruebas físicas estandarizadas para medir aceleración, velocidad (40 m), resistencia aeróbica (test de Bronco), fuerza máxima (press de pecho y sentadilla), además de la percepción subjetiva de esfuerzo (escala de Borg). Los datos fueron analizados con pruebas estadísticas de comparación, considerando significancia en p < 0,05 y estimando el tamaño del efecto. Resultados: No se observaron efectos significativos en las pruebas de aceleración, velocidad, fuerza en miembros superiores ni en la percepción subjetiva de esfuerzo. En contraste, se identificó un efecto positivo y estadísticamente significativo en la prueba de resistencia aeróbica y en la fuerza máxima de miembros inferiores con valores de p < 0,05. Discusión: La ausencia de cambios en algunas variables podría estar relacionada con factores individuales (nivel de entrenamiento, adaptación previa al suplemento) y con limitaciones metodológicas (precisión de los equipos). No obstante, los resultados coinciden con la evidencia respaldando la acción de los nitratos sobre la eficiencia del uso de oxígeno a nivel muscular, explicando las mejoras observadas en la resistencia aeróbica y la fuerza de miembros inferiores. Conclusión: La suplementación con extracto de remolacha, como fuente de nitratos, mostró un efecto positivo en la resistencia aeróbica y la fuerza de los jugadores de rugby entrenados, lo que respalda su potencial como estrategia nutricional en deportes de conjunto de alta exigencia física. (Texto tomado de la fuente). | spa |
| dc.description.abstract | The use of nitrates from beetroot has been the subject of increased research due to its diverse effects on the body, such as decreased maximum oxygen consumption (VO2max). Therefore, it has been extensively studied in some sports, but it is important to advance research in other sports, such as rugby, with little evidence. Objective: To evaluate the effect of nitrate supplementation, based on the consumption of beetroot juice, on athletic performance in rugby players. Methodology: The design was a quasi-experimental non-randomized, double-blind crossover-controlled trial. A sample of 10 athletes was taken, (5 men and 5 women), who had the compounds in a solid product (Waffles), they were given 3 continues days (with the physical test day), in different weeks. Physical tests were performed to assess different physical skills like acceleration and velocity (40m sprint), maximal strength (bench press and back squat) as well as a perceived fatigue (borg scale). Results: There was no effect on acceleration, speed, upper body strength, or perceived fatigue tests. There was a statistically significant impact on the Bronco and squat tests, with a p-value <0.05. Discussion: Individual and test conditions need to be improved to obtain more accurate data and demonstrate significant changes in short-term tests. Nitrates improve aerobic endurance and strength, which is explained by the improved oxygen availability to the muscles. Conclusion: The use of nitrates from beetroot has a positive effect on aerobic endurance and strength in trained rugby players. | eng |
| dc.description.degreelevel | Maestría | spa |
| dc.description.degreename | Magíster en Fisioterapia del Deporte y la Actividad Física | spa |
| dc.description.researcharea | Nutrición, actividad física y deporte | spa |
| dc.format.extent | xiv, 93 páginas | spa |
| dc.format.mimetype | application/pdf | |
| dc.identifier.instname | Universidad Nacional de Colombia | spa |
| dc.identifier.reponame | Repositorio Institucional Universidad Nacional de Colombia | spa |
| dc.identifier.repourl | https://repositorio.unal.edu.co/ | spa |
| dc.identifier.uri | https://repositorio.unal.edu.co/handle/unal/89197 | |
| dc.language.iso | spa | |
| dc.publisher | Universidad Nacional de Colombia | spa |
| dc.publisher.branch | Universidad Nacional de Colombia - Sede Bogotá | spa |
| dc.publisher.department | Departamento de Movimiento Corporal Humano | spa |
| dc.publisher.faculty | Facultad de Medicina | spa |
| dc.publisher.place | Bogotá, Colombia | spa |
| dc.publisher.program | Bogotá - Medicina - Maestría en Fisioterapia del Deporte y la Actividad Física | spa |
| dc.relation.indexed | Bireme | spa |
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| dc.relation.references | Zabaloy, S., Giráldez, J., Gazzo, F., Villaseca-Vicuña, R., & Gálvez González, J. (2021). In-season assessment of sprint speed and sprint momentum in rugby players according to the age category and playing position. Journal of Human Kinetics, 77, 274-286. https://doi.org/10.2478/hukin-2021-0025 | |
| dc.rights.accessrights | info:eu-repo/semantics/openAccess | |
| dc.rights.license | Atribución-NoComercial-CompartirIgual 4.0 Internacional | |
| dc.rights.uri | http://creativecommons.org/licenses/by-nc-sa/4.0/ | |
| dc.subject.ddc | 790 - Deportes, juegos y entretenimiento::796 - Deportes y juegos al aire libre y deportivos | spa |
| dc.subject.ddc | 610 - Medicina y salud::612 - Fisiología humana | spa |
| dc.subject.proposal | Nutrición deportiva | spa |
| dc.subject.proposal | Rendimiento deportivo | spa |
| dc.subject.proposal | Nitratos | spa |
| dc.subject.proposal | Remolacha | spa |
| dc.subject.proposal | Rugby | spa |
| dc.subject.proposal | Athletic performance | eng |
| dc.subject.proposal | Sports nutrition | eng |
| dc.subject.proposal | Nitrates | eng |
| dc.subject.proposal | Beetroot | eng |
| dc.subject.proposal | Rugby | eng |
| dc.subject.unesco | Fisiología humana | spa |
| dc.subject.unesco | Human physiology | eng |
| dc.subject.unesco | Atleta | spa |
| dc.subject.unesco | Athletes | eng |
| dc.subject.unesco | Nutriente | spa |
| dc.subject.unesco | Nutrient | eng |
| dc.title | Efecto de la suplementación con extracto de remolacha en el rendimiento deportivo de atletas de rugby entrenados | spa |
| dc.title.translated | Effect of beetroot extract supplementation on the athletic performance of trained rugby athletes | eng |
| dc.type | Trabajo de grado - Maestría | spa |
| dc.type.coar | http://purl.org/coar/resource_type/c_bdcc | |
| dc.type.coarversion | http://purl.org/coar/version/c_ab4af688f83e57aa | |
| dc.type.content | Text | |
| dc.type.driver | info:eu-repo/semantics/masterThesis | |
| dc.type.redcol | http://purl.org/redcol/resource_type/TM | |
| dc.type.version | info:eu-repo/semantics/acceptedVersion | |
| dcterms.audience.professionaldevelopment | Investigadores | spa |
| dcterms.audience.professionaldevelopment | Público general | spa |
| oaire.accessrights | http://purl.org/coar/access_right/c_abf2 |
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