Your browser doesn't support javascript.
loading
Show: 20 | 50 | 100
Results 1 - 3 de 3
Filter
1.
Arch. med ; 21(2): 416-424, 2021-04-25.
Article in Spanish | LILACS-Express | LILACS | ID: biblio-1291773

ABSTRACT

Objetivo: determinar la existencia de una asociación entre el índice de masa corporal y la regulación cardiovascular en estudiantes de medicina. Materiales y métodos: estudio transversal con un diseño aleatorio. La muestra se compuso por 54 estudiantes de medicina (21,2 ± 1,6 años) evaluados y clasificados según el índice de masa corporal: normopeso (NP; IMC < 25 kg/m2); sobrepeso (SP; IMC≥ 25 kg/m2); obesos (OB; IMC ≥ a 30 Kg/m2). Las medidas antropométricas, presión arterial y variabilidad de frecuencia cardiaca (HRV) fueron las variables evaluadas. Resultados: el 51,9% de los estudiantes presenta sobrepeso u obesidad. El índice de masa corporal correlaciona negativamente con el parámetro de variabilidad de frecuencia cardíaca, especialmente al compararla en los dominios de tiempo de HRV (p<0,001). También se observaron diferencias en el control autonómico cardíaco al comparar los grupos de estudio en LnRMSSD (p<0,01) y LnSDNN (p<0,01). Conclusión: la implementación de medidas que disminuyan los valores de IMC posibilitará un mayor control autonómico cardíaco y mejor salud cardiovascular en estudiantes de medicina..(Au)


Objective: this study had the purpose of knowing the association of the body mass index and cardiovascular regulation of medical students. Materials and methods: a cross-sectional study with a randomized design. The sample consisted of 54 medical students (21,2 ± 1,6 years) who were evaluated and classified according to the body mass index: Normal weight (NP; BMI <25 kg / m2); Overweight (SP; BMI≥ 25 kg / m2); Obese (OB; BMI ≥ 30 Kg / m2). Anthropometric measurements, blood pressure, and heart rate variability (HRV) were the variables evaluated. Results: 51,9% of the students are overweight or obese. The body mass index was negatively correlated with the heart rate variability parameter, especially when compared with the HRV time domains (p <0.001). Differences were also observed in cardiac autonomic control when comparing the study groups in LnRMSSD (p <0,01) and LnSDNN (p <0,01). Conclusion: the implementation of measures that decrease BMI values will allow greater autonomic cardiac control and better cardiovascular health in medical students..(Au)

2.
Rev. méd. Chile ; 149(3): 357-365, mar. 2021. tab, graf
Article in Spanish | LILACS | ID: biblio-1389457

ABSTRACT

Background: There is no evidence for the association of depressive symptoms with the sense of well-being of undergraduate medical students residing in high southern latitudes (HSL). Aim: To assess the frequency of depressive symptoms and its relationship with seasonal sensitivity and quality of life in medical students residing in HSL. Material and Methods: The Beck anxiety and depressive symptoms inventory, the seasonal pattern assessment questionnaire and the quality-of-life questionnaire of the WHO were applied to 102 medical students residing in Magallanes, Chile. Results: Fifty-two percent of respondents reported some degree of depressive symptoms. These symptoms were significantly associated with the seasonal pattern score (r = 0.432, p < 0.01). They were also inversely associated with parameters of physical health and psychosocial health (r = −0.567, p < 0.01 and r = −0.708, p < 0.01, respectively). There was also a correlation between depressive and anxiety symptoms. Conclusions: Depressive symptoms are common in medical students residing in HSL and they are associated with seasonal sensitivity and quality of life measures.


Subject(s)
Humans , Students, Medical , Depression/epidemiology , Anxiety , Quality of Life , Seasons , Surveys and Questionnaires
3.
Rev. Investig. Innov. Cienc. Salud ; 3(1): 98-115, 2021. tab, ilus
Article in Spanish | LILACS, COLNAL | ID: biblio-1393218

ABSTRACT

Introducción: en la actualidad, los entrenadores buscan la manera de mejorar las capacidades físicas de los atletas mediante diferentes estrategias de entrenamiento, como la exposición constante o intermitente a la altitud y el entrenamiento de intervalos de alta intensidad. Objetivo: Revisar la literatura actual y describir los efectos sobre el organismo del entrenamiento de intervalos de alta intensidad en altitud simulada en sujetos sedentarios, físicamente activos y entrenados. Resultados: el número de artículos revisados evidencia que, en hipoxia simulada en cámara hipobárica o normobárica (n=13) o máscara de simulación de altitud (n=1), todos utilizaron intensidades altas (n=13) a submáximas (n=1). Los participantes de las investigaciones fueron mujeres con obesidad sedentarias (n=3), hombres y mujeres físicamente activos (n=9) y sujetos entrenados (n=3). El tiempo de intervención de los estudios fue de 3 a 12 semanas, con una altitud simulada de 1824 a 4500 m.s.n.m. Se observaron efectos beneficiosos sobre la composición corporal, aptitud cardiorrespiratoria, aumentos en hemoglobina, eritropoyetina, consumo energético, fuerza máxima concéntrica e isométrica, fuerza absoluta y mejor tolerancia al ejercicio (percepción del esfuerzo). Conclusiones: La combinación de entrenamientos de intervalos de alta intensidad, combinado con una exposición en altitud simulada, puede evidenciar mejoras significativas en el rendimiento cardiorrespiratorio, así como en aspectos de composición corporal, lo que permitiría una mejor predisposición a intensidades más elevadas de actividad y ejercicio físico.


Introduction: Today, coaches are looking for ways to improve athletes' physical abilities through different training strategies, such as constant or intermittent exposu-re to altitude and high intensity interval training. Objective: To review the current literature and describe the effects on the body of simulated high-intensity interval training at altitude in sedentary, physically active, and trained subjects. Results: the number of articles reviewed evidences that, in simulated hypoxia in hypobaric or normobaric chamber (n = 13) or altitude simulation mask (n = 1), all used high intensities (n = 13) to submaximal (n = 1). The research participants were women with sedentary obesity (n = 3), physically active men and women (n = 9), and trained subjects (n = 3). The intervention time of the studies was 3 to 12 weeks, with a simulated altitude of 1824 to 4500 meters. Beneficial effects on body composition were observed, as well as cardiorespiratory fitness, increases in hemoglobin, erythro-poietin, energy consumption, concentric and isometric maximum strength, absolute strength and better exercise tolerance (perception of effort). Conclusions: The combination of high intensity interval training combined with a simulated altitude exposure can show significant improvements in cardiorespiratory performance, as well as in aspects of body composition, which would allow a better predisposition to higher intensities of activity and physical exercise.


Subject(s)
Breathing Exercises , Exercise/physiology , Simulation Exercise , High-Intensity Interval Training , Teaching , Body Composition , Erythropoietin , Health Strategies , Exercise Tolerance , Energy Consumption , Cool-Down Exercise , Cardiorespiratory Fitness , Hypoxia
SELECTION OF CITATIONS
SEARCH DETAIL