Introduction Cardiac autonomic modulation (CAM) is a result of the balance between the sympathetic and parasympathetic systems. This interaction results in heart rate variation (HRV), analyzed by specific electrocardiographic parameters. These parameters are modified by the practice of physical activity, indicating better cardiac conditioning. Objectives To evaluate the cardiac autonomic modulation of athletes of the XXVIII Ecological Walk at two separate times during their period of physical training. Also, to link the practice of physical activity with stress reduction in these individuals. Methods 24-hour Holter exams were performed at two times (before and after a 2-month period of non-standard physical training), and the results were analyzed using the software programs Epi-Info 7 and BioEstat 5.0. Inferential analysis was performed by the nonparametric Shapiro-Wilk test. Statistical significance was assigned to p values less than 0.05, with 95% confidence interval (95% CI). Results The sample was mostly male (n = 14; 77.78%), with a mean age of 49.55 years. No individual trained for less than 60 days; most (47.06%) trained for 151-200 days, with walking being the predominant modality (64.71%). No statistically significant difference was found in the parameters HRV pNN50 (p = 0.18), rMSSD (p = 0.14) or HF (p = 0.117) after the evaluated training period. Conclusions Participants who are longtime sportsmen and physically active showed parasympathetic saturation, therefore, they did not show significant changes in HRV. Also, low levels of stress were observed in those who practiced physical activity. Level of evidence II; Prognosis Study.
Objetivo: Analisar o impacto do esporte na saúde, na sociedade e no meio ambiente. Métodos: Estudo retrospectivo a partir de uma análise documental sobre as cinco últimas edições do evento “Caminhada Ecológica”, realizadas entre os anos de 2015 e 2019 no estado de Goiás. Nesta pesquisa documental, caracterizada pela busca de informações em fontes primárias, foram incluídos materiais disponíveis na internet ou impressos, como notícias, reportagens, entrevistas, propagandas, campanhas publicitárias e quaisquer outros materiais disponíveis que remetam à Caminhada Ecológica. Resultados: Foram encontradas diversas publicações sobre as cinco últimas edições da Caminhada Ecológica, sendo que dezesseis delas se enquadraram nos critérios de inclusão deste estudo. As várias publicações foram analisadas de acordo com os seguintes temas abordados: impactos na saúde individual, na saúde da comunidade, impactos socioeconômicos e, por fim, impactos ambientais. Conclusão: As cinco últimas edições da Caminhada Ecológica foram efetivas na difusão de seus valores fundamentais (saúde e preservação ambiental). Além disso, impactaram positivamente na saúde dos participantes, na saúde da comunidade, na economia da região e no Cerrado, bioma que compõe o percurso da caminhada.
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