The aim of this study was to determine the energy demand of one session of active video game (AVG) and its potential to reduce blood pressure (BP). Fourteen hypertensive (56.4±7.5 years) individuals performed sessions of AVG, a traditional sedentary video game sessions (SVG) and walking (WAL), as negative and positive controls, in a randomly determined order. Oxygen consumption and energy expenditure (EE) were measured during sessions. BP and cardiac autonomic modulation (CAM) were measured at rest and every 15 minutes of a 60-minute period of recovery from activities. A rating of enjoyment scale was also applied. AVG and WAL resulted in higher oxygen consumption (10.0±0.5 ml/kg/min and 16.6±3.1 ml/kg/min, respectively) and EE (3.5±0.2 kcal/min and 4.2±0.5 kcal/min) compared to 4.1±0.8 ml/kg/min and 1.4±0.1 kcal/min in SVG. A reduction in systolic and diastolic BP was evident following AVG sessions (-11.6±2.5 mmHg and -8.7±2.5 mmHg) and WAL (-10.8±2.8 mmHg and -8.6±2.3 mmHg) compared to pre-experiment value, and the same did not occur in SVG. All sessions promoted a feeling of enjoyment, with no difference between them. The parasympathetic activity was significantly lower at 30 and 45 minutes in post-WAL recovery (34.6±15.0 ms2 and 34.4±16.0 ms2) in the frequency domain (HF) in relation to both AVG (195.5±67.0 ms2 and 164.5±55.0 ms2) and the SVG (158.9±45.0 and 281.3±98.0 ms2). It is concluded that an AVG session promotes increased metabolic activity and is able to promote acute reduction of BP in hypertensive individuals similar to traditional walking exercise.
RESUMOIntrodução: O vídeo game ativo (VGA) é uma evolução do vídeo game tradicional (VGS) e tem como proposta aumentar o nível de atividade física dos usuários desta forma de entretenimento. Esta demanda física poderia conferir benefícios similares ao exercício tradicional para hipertensos, mas o dispêndio energético (DE) deste jogo ainda não é bem estabelecido para esta população. Objetivo: O objetivo deste estudo foi verificar o potencial de uma sessão de VGA em promover aumentos clinicamente importantes do DE em hipertensos. Material e Métodos: Participaram deste estudo, cinco voluntárias hipertensas (55,6 ± 2,9 anos) que realizaram duas sessões randomizadas, crossover (VGA e VGS) com duração de 40 minutos, em dias separados. O DE foi mensurado por um analisador de troca de gases (K4b², Cosmed) e a demanda cardiovascular foi mensurada pela frequência cardíaca (FC) através de um cardiofrequencímetro acoplado ao analisador de gases. Foram realizados os testes t de student não pareado e ANOVA one way com post test de Tukey. Resultados: A intensidade média atingida de 21,9% da FC máxima na sessão VGA, estatisticamente maior (p<0,01) que na sessão de VGS, onde atingiu-se 2,6% da FC máxima. Da mesma forma, os valores de DE para a sessão VGA (3,6±0,3 kcal/min) foram significativamente maiores que para a sessão VGS (1,5±0,1 kcal/min, p<0.0001). Conclusão: Conclui-se que uma sessão de VGA é capaz de promover significativo aumento do DE e da FC. A FC é inferior ao preconizado para o tratamento anti-hipertensivo, mas a DE está dentro dos limites considerados ideais. DESCRITORESExercício. Metabolismo Energético. Hipertensão. ABSTRACT Introduction:The active video game (AVG) is an evolution of traditional video game (AVG) and its proposal to increase the physical activity level of the users of this form of entertainment. This physical demand could confer benefits similar to traditional exercise for hypertension, but the energy expenditure (EE) this game is not well established in this population. Objective: The objective of this study was to investigate the potential of a AVG session to promote clinically significant increases EE in hypertensive. Material and Methods: The study included five hypertensive volunteers (55.6 ± 2.9 years) who underwent two sessions randomized, crossover (AVG and AVG) lasting 40 minutes on separate days. EE was measured by a gas exchange analyzer (K4b², Cosmed) and cardiovascular demand was measured by the heart rate (HR) through a heart rate monitor coupled to the gas analyzer. The student t test were performed unpaired and one way ANOVA with post test of Tukey. Results: The average intensity reached 21.9% of maximal heart rate in AVG session, statistically greater (p <0.01) than in AVG session, where it reached to 2.6% of maximum HR. Likewise, EE values for the AVG session (3.6 ± 0.3 kcal / min) were significantly higher than for SVG session (1.5 ± 0.1 kcal / min, p <0.0001). Conclusion: In conclusion, a AVG session is able to promote significant increase in the EE and HR. The HR is lower tha...
Purpose. to determine whether an active video game session promoted post-exercise hypotension, similar to walking. Methods. Fifteen hypertensive subjects (49.0 ± 1.6 years) of both genders performed five randomized sessions, lasting 60 minutes: 1) active video game; 2) sedentary video game; 3) walking on a treadmill with moderate intensity; 4) walking on a treadmill with similar intensity to the active video game; and 5) control without exercise. Blood pressure and cardiac autonomic modulation measurements were taken at rest and every 10 minutes post exercise for 60 minutes. Results. the active video game promoted a reduction in systolic blood pressure (-14.4 ± 3.0 mmHg, p < 0.0001) similar to walking on a treadmill with moderate intensity (-16.9 ± 3.3 mmHg, p < 0.0001), whereas the control group without exercise did not demonstrate a blood pressure reduction. the sedentary video game also demonstrated a reduction in systolic blood pressure (-10.0 ± 3.1 mmHg, p = 0.0039), statistically similar to the active video game and walking on a treadmill with similar intensity to the active video game (8.7 ± 2.9 mmHg, p = 0.0034). regarding the diastolic component, the active video game (-7.6 ± 1.5 mmHg, p < 0.0001), walking on a treadmill with moderate intensity (-8.3 ± 2.9 mmHg, p = 0.0042), and the sedentary video game (-7.5 ± 2.7 mmHg, p = 0.0098) produced similar reductions in diastolic blood pressure. the active video game was a procedure that promoted a sympathetic-vagal balance reduction from pre-exercise to 60 minutes post exercise (4.2 ± 0.8 to 2.3 ± 0.5, p = 0.0486). Conclusions. Active video game play promoted a similar reduction in blood pressure compared to traditional walking exercise with the advantage of promoting reduction in the sympathetic inflow to the heart.
Introduction: Morbid obesity decreases considerably the hope and quality of life. Objective: The objective of the study was to determine the effects of exercise with multidisciplinary support on nutritional status, the cardio respiratory fitness and blood pressure of the morbidly obese candidates for surgery to bariatric. Material and methods: Twelve women and one man between the age of 18 and 60 candidates to bariatric surgery, 10 patients with morbid obesity and 3 with obesity and comorbidities, were subjected to a 5-month program of physical exercise with nutritional education and psychological support. Body weight, body mass index (BMI), contour waist (CW), cardio respiratory fitness, systolic and diastolic blood pressure were evaluated before and after the intervention. Results: The average age of participants was 49.92 years, average height was 1.62 m. All the variables in the study improved significantly (p < 0.05): weight (p = 0.000), BMI (p = 0.000), CW (p = 0.005), cardio respiratory fitness (p = 0.009), systolic blood pressure (p = 0.006) and diastolic blood pressure (p = 0.010). Cardio respiratory fitness increased by 9.17%, the diastolic blood pressure and systolic blood pressure decreased by 5.16% and 7.68% respectively. The BMI decreased by 8.39% and the CC a 6.63%. Conclusions: The program improved levels of systolic and diastolic blood pressure and cardio respiratory fitness. This was supplemented by the significant weight loss in the participants of this research. Physical exercise with disciplinary support demonstrated benefits for the preoperative treatment producing favorable adaptations in cardiovascular risk factors. Variaciones en el estado nutricional, presión arterial y capacidad cardiorrespiratoria de obesos candidatos a cirugía bariátrica: beneficios del ejercicio físico con apoyo multidisciplinar Variations in the nutritional status, blood pressure, and cardio respiratory fitness of the morbidly obese candidates for bariatric surgery: Benefits of physical exercise with disciplinary support
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