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      ANALYSIS OF CARDIOPULMONARY RESISTANCE UNDER DIFFERENT LOADS IN AEROBIC EXERCISES Translated title: ANÁLISIS DE LA RESISTENCIA CARDIOPULMONAR BAJO DIFERENTES CARGAS EN EJERCICIOS AERÓBICOS Translated title: ANÁLISE DA RESISTÊNCIA CARDIOPULMONAR SOB DIFERENTES CARGAS EM EXERCÍCIOS AERÓBICOS

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          Abstract

          ABSTRACT Introduction The key objective of aerobic exercise is enhancing cardiorespiratory endurance. On the national gymnastics plan implementation, the idea of lifelong sports was gradually accepted by the masses, and the aerobic gymnastics concept was sweeping the world. Objective Analyze the cardiorespiratory endurance responses in female college students under different frequencies in aerobic exercise. Methods 20 female professors and civilian women were randomly selected and divided into two groups. The experimental group performed 45 and 90 minutes of aerobic exercise to analyze changes in cardiopulmonary function before and after each exercise. Results After 16 weeks of aerobic exercise with different loads, all young women who had participated in the program training showed a significant increase in vital capacity and maximal oxygen uptake capacity. The vital capacity of the 90-min aerobic exercise group was significantly higher than that of the 45-min aerobic exercise group (P<0.05). Conclusion The establishment of a cardiorespiratory endurance response model can accurately analyze the effects of different aerobic exercise frequencies on cardiorespiratory endurance. Evidence Level II; Therapeutic Studies – Investigating the results.

          Translated abstract

          RESUMEN Introducción El objetivo principal del ejercicio aeróbico es mejorar la resistencia cardiorrespiratoria. Con la puesta en marcha del plan nacional de gimnasia, la idea de los deportes de por vida es gradualmente aceptada por las masas y el concepto de la gimnasia aeróbica está popularizándose en todo el mundo. Objetivo Analizar las respuestas de resistencia cardiorrespiratoria en estudiantes universitarias bajo diferentes frecuencias en el ejercicio aeróbico. Métodos Se seleccionaron al azar 20 profesoras jóvenes y mujeres civiles y se dividieron en dos grupos. El grupo experimental realizó ejercicios aeróbicos de 45 y 90 minutos, bajo el análisis de los cambios en la función cardiopulmonar antes y después de cada ejercicio. Resultados Tras 16 semanas de ejercicio aeróbico con diferentes cargas, todas las mujeres jóvenes que participaron en el entrenamiento mostraron un aumento significativo de la capacidad vital y de la capacidad máxima de captación de oxígeno. La capacidad vital del grupo de ejercicio aeróbico de 90 minutos fue significativamente mayor que la del grupo de ejercicio aeróbico de 45 minutos (P<0,05). Conclusión El establecimiento de un modelo de respuesta a la resistencia cardiorrespiratoria puede analizar con precisión los efectos de diferentes frecuencias de ejercicio aeróbico sobre la resistencia cardiorrespiratoria. Nivel de evidencia II; Estudios terapéuticos - Investigación de resultados.

          Translated abstract

          RESUMO Introdução O principal objetivo do exercício aeróbico é melhorar a resistência cardiorrespiratória. Com a implementação do plano nacional de ginástica, a ideia de esportes para toda a vida é gradualmente aceita pelas massas e o conceito de ginástica aeróbica está popularizando-se. Objetivo Analisar as respostas de resistência cardiorrespiratória em estudantes universitárias sob distintas frequências no exercício aeróbico. Métodos 20 jovens professoras e mulheres civis foram aleatoriamente selecionadas e divididas em dois grupos. O grupo experimental executou exercícios aeróbicos de 45 e 90 minutos, sob análise das alterações na função cardiopulmonar antes e depois de cada exercício. Resultados Após 16 semanas de exercício aeróbico com diferentes cargas, todas as mulheres jovens que participaram do treinamento mostraram um aumento significativo na capacidade vital e na capacidade máxima de absorção de oxigênio. A capacidade vital do grupo de exercícios aeróbicos de 90 minutos foi significativamente maior do que a do grupo de exercícios aeróbicos de 45 minutos (P<0,05). Conclusão O estabelecimento de um modelo de resposta de resistência cardiorrespiratória pode analisar com precisão os efeitos de diferentes frequências de exercício aeróbico sobre a resistência cardiorrespiratória. Nível de evidência II; Estudos Terapêuticos - Investigação de Resultados.

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          APOEε4 impacts up-regulation of brain-derived neurotrophic factor after a six-month stretch and aerobic exercise intervention in mild cognitively impaired elderly African Americans: A pilot study

          Possession of the Apolipoprotein E (APOE) gene ε4 allele is the most prevalent genetic risk factor for late onset Alzheimer's disease (AD). Recent evidence suggests that APOE genotype differentially affects the expression of brain-derived neurotrophic factor (BDNF). Notably, aerobic exercise-induced upregulation of BDNF is well documented; and exercise has been shown to improve cognitive function. As BDNF is known for its role in neuroplasticity and survival, its upregulation is a proposed mechanism for the neuroprotective effects of physical exercise. In this pilot study designed to analyze exercise-induced BDNF upregulation in an understudied population, we examined the effects of APOEε4 (ε4) carrier status on changes in BDNF expression after a standardized exercise program. African Americans, age 55years and older, diagnosed with mild cognitive impairment participated in a six-month, supervised program of either stretch (control treatment) or aerobic (experimental treatment) exercise. An exercise-induced increase in VO2Max was detected only in male participants. BDNF levels in serum were measured using ELISA. Age, screening MMSE scores and baseline measures of BMI, VO2Max, and BDNF did not differ between ε4 carriers and non-ε4 carriers. A significant association between ε4 status and serum BDNF levels was detected. Non-ε4 carriers showed a significant increase in BDNF levels at the 6month time point while ε4 carriers did not. We believe we have identified a relationship between the ε4 allele and BDNF response to physiologic adaptation which likely impacts the extent of neuroprotective benefit gained from engagement in physical exercise. Replication of our results with inclusion of diverse racial cohorts, and a no-exercise control group will be necessary to determine the scope of this association in the general population.
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            The Gravity-Loading countermeasure Skinsuit (GLCS) and its effect upon aerobic exercise performance

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              Dynamic mechanical properties of a biocomposite reinforced with sodiumbicarbonate-treated sisal fibres at different frequencies

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                Author and article information

                Journal
                rbme
                Revista Brasileira de Medicina do Esporte
                Rev Bras Med Esporte
                Sociedade Brasileira de Medicina do Exercício e do Esporte (São Paulo, SP, Brazil )
                1517-8692
                1806-9940
                December 2022
                : 28
                : 6
                : 624-627
                Affiliations
                [1] Ganzhou orgnameGannan Normal University orgdiv1School of Physical Education China
                Article
                S1517-86922022000600624 S1517-8692(22)02800600624
                10.1590/1517-8692202228062022_0078
                c702781e-7835-4c74-ba88-9001c905ac7a

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 06 January 2022
                : 18 February 2022
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 9, Pages: 4
                Product

                SciELO Brazil

                Categories
                Original Article

                Physical Endurance,Exercise Test, Cardiopulmonary,Aerobic Exercise,Resistência Física,Teste Cardiopulmonar de Exercício,Exercício Aeróbico,Resistencia Física,Prueba de Esfuerzo Cardiopulmonar,Ejercicio Aeróbico

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