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Abstract(s)
O objetivo deste estudo foi verificar o efeito da realização de duas
intensidades diferentes de caminhada e/ou corrida em passadeira rolante nos valores da
tensão arterial sistólica e diastólica de indivíduos adultos atletas e não atletas logo após
o exercício, e a cada hora pós-exercício até 6 horas. Métodos: A amostra deste estudo
foi constituída por 22 homens, com idade média de 23,64 ± 2,54 anos. Relativamente às
avaliações físicas os sujeitos participaram em dois momentos de avaliação nos quais
realizaram uma sessão de exercício físico, a 50% e 75% da frequência cardíaca de
reserva. Cada sessão de exercício teve uma duração de 30 minutos, dividida em 10
minutos de aquecimento e 20 minutos de acordo com a intensidade pretendida. A tensão
arterial foi avaliada antes, imediatamente após e a cada hora pós-exercício até 6 horas.
Resultados: Os resultados indicam que existem diferenças estatisticamente
significativas entre a intensidade de exercício, grupo de estudo e momentos de avaliação
com p<0,001. A resposta da TAS à sessão de exercício a 50% da FCres foi
significativamente superior no GNA comparativamente ao GA em todos os momentos
de avaliação, exceto na primeira hora após o término da sessão. A diminuição da TAD à
sessão de exercício a 50% da FCres foi significativamente superior no GA
comparativamente ao GNA à 1ª, 5ª e 6ª hora de avaliação. A resposta da TAS à sessão
de exercício a 75% da FCres foi significativamente superior no GNA comparativamente
ao GA em todos os momentos de avaliação. Conclusão: Os resultados deste estudo
indicam que existe alterações nos valores de tensão arterial pós-exercício associado à
intensidade de exercício, verficado nos dois grupos avaliados e nas duas intensidades
exploradas, sobretudo associadas ao efeito hipotensor. O GNA verificou diminuição dos
valores de TAS a 50% e 75% da FCres signifcativamentes superiores ao GA, exceto na
1ª hora após termino da sessão a 50% da FCres. O GA apresentou diminuição da TAD a
50% da FCres significativamente superior comparativamente ao GNA à 1º, 5ª e 6ª hora
de avalição.
The objective of this study was to verify the effect of two different intensities of walking and / or running on the treadmill in the systolic and diastolic blood pressure values of adult athletes and non-athletes shortly after exercise and every hour after -exercise up to 6 hours. Methods: The sample of this study consisted of 22 males, with a mean age of 23.64 ± 2.54 years. Regarding the physical evaluations, the subjects participated in two moments of evaluation in which they performed a physical exercise session, at 50% and 75% of the reserve heart rate. Each exercise session had a duration of 30 minutes, divided into 10 minutes of warm-up and 20 minutes according to the desired intensity. Blood pressure was assessed before, immediately after and every hour post exercise up to 6 hours. Results: The results indicate that there are statistically significant differences between exercise intensity, study group and moments of evaluation with p <0.001. The TAS response to the exercise session at 50% of FCres was significantly higher in GNA compared to GA at all assessment moments, except in the first hour after the end of the session. The decrease in TAD to the exercise session at 50% of FCres was significantly higher in the GA compared to the GNA at the 1st, 5th and 6th hour of evaluation. The response of the TAS to the exercise session to 75% of FCres was significantly higher in the GNA compared to GA at all moments of evaluation. Conclusion: The results of this study indicate that there are changes in postexercise blood pressure values associated with exercise intensity, verified in the two groups evaluated and in the two intensities explored, mainly associated to the hypotensive effect. The GNA showed a decrease in the values of 50% and 75% of the TAS signifcantly higher than the GA, except in the first hour after the end of the session, 50% of the FCres. GA showed a decrease in the TAD at 50% of FCres significantly higher than the GNA at the 1st, 5th and 6th hour of evaluation.
The objective of this study was to verify the effect of two different intensities of walking and / or running on the treadmill in the systolic and diastolic blood pressure values of adult athletes and non-athletes shortly after exercise and every hour after -exercise up to 6 hours. Methods: The sample of this study consisted of 22 males, with a mean age of 23.64 ± 2.54 years. Regarding the physical evaluations, the subjects participated in two moments of evaluation in which they performed a physical exercise session, at 50% and 75% of the reserve heart rate. Each exercise session had a duration of 30 minutes, divided into 10 minutes of warm-up and 20 minutes according to the desired intensity. Blood pressure was assessed before, immediately after and every hour post exercise up to 6 hours. Results: The results indicate that there are statistically significant differences between exercise intensity, study group and moments of evaluation with p <0.001. The TAS response to the exercise session at 50% of FCres was significantly higher in GNA compared to GA at all assessment moments, except in the first hour after the end of the session. The decrease in TAD to the exercise session at 50% of FCres was significantly higher in the GA compared to the GNA at the 1st, 5th and 6th hour of evaluation. The response of the TAS to the exercise session to 75% of FCres was significantly higher in the GNA compared to GA at all moments of evaluation. Conclusion: The results of this study indicate that there are changes in postexercise blood pressure values associated with exercise intensity, verified in the two groups evaluated and in the two intensities explored, mainly associated to the hypotensive effect. The GNA showed a decrease in the values of 50% and 75% of the TAS signifcantly higher than the GA, except in the first hour after the end of the session, 50% of the FCres. GA showed a decrease in the TAD at 50% of FCres significantly higher than the GNA at the 1st, 5th and 6th hour of evaluation.
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Keywords
Exercício físico Hipertensão Hipotensão