Author(s): Saraiva, Bruna Thamyres Ciccotti [UNESP] ; Ritti-Dias, Raphael Mendes ; Farah, Breno Quintela ; Suetake, Vinícius Yukio Botelho [UNESP] ; Diniz, Tiego Aparecido ; Costa Júnior, Paulo [UNESP] ; Milanez, Vinícius Flávio ; Christofaro, Diego Giulliano Destro [UNESP]
Date: 2018
Persistent ID: http://hdl.handle.net/11449/176516
Origin: Oasisbr
Subject(s): Adolescent; Arterial pressure; Blood pressure; Heart rate; Martial arts; Pulse pressure
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Introduction: Sedentary habits increase the chances of developing cardiovascular disease. Physical activity is one of the means of prevention and treatment of these diseases, thus martial arts represent a dynamic option in promoting physical activity. Objective: The objective of the study is analyze the effects of 16 weeks of Martial Arts (Muay Thai or judo) training on cardiovascular variables in adolescents. Methods: The sample consisted of 40 adolescents, aged 11 to 14 years, divided into two groups: Martial Arts (n=28) and control (n=12). Weight and height measurements were taken to calculate body mass index. Systolic and diastolic blood pressure (BP), heart rate (HR) at rest, pulse pressure (PP) and rate-pressure product (RPP), were also measured. The intervention was carried out through Martial Arts (Muay Thai and judo) training held twice a week for 90 minutes, over 16 weeks. The control group did not undergo any training. The statistical analysis was performed using the following tests: Shapiro-Wilks, Levene’s, analysis of covariance (ANCOVA), eta-squared effect size and the net-effect, using SPSS 15.0 software and a significance level of 5%. Results: There was no statistical difference between the control and Martial Arts groups for the sample characterization. There was a significant difference in systolic BP in the Martial Arts group when compared with the control group (p-value=0.049). The effect size can be considered moderate (effect size=0.163), with a good net-effect (3.4 mmHg). Conclusion: This study showed that 16 weeks of Martial Arts decreased systolic BP in normotensive adolescents. Level of Evidence II; Therapeutic studies - Investigating the results of treatment.
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Universidade Estadual Paulista (UNESP) Faculdade de Ciências e Tecnologia Department of Physical Education
