Effects of a Single Dose of Beetroot Juice on Functional and Cardiovascular Changes Following Acute Resistance Training in Men with Hypertension

Q4 Medicine pzshkhy blyny bn syn Pub Date : 2021-12-01 DOI:10.52547/ajcm.28.3.176
T. Afsharnezhad, Ahmad Fazeli Sani
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Abstract

Background and Objective: Elevated blood pressure may develop in hypertensive patients after performing resistance training. The present study aimed to investigate the effect of beetroot juice on cardiovascular and functional changes during and after a session of acute resistance training in men with hypertension. Materials and Methods: In the present single-blind quasi-experimental study, 20 men with hypertension were randomly divided into two groups of Beetroot Juice (BJ) and Placebo (PLA). Upper and lower body muscular strength, Perceived Exertion (RPE), Systolic and Diastolic blood pressure (SBP, DBP), and resting and continuous Heart Rate (HR) were measured after resistance training in the pre-test. In the post-test, BJ and PLA groups consumed beetroot juice and non-caloric cherry flavor Beverage (4.5 mg/Kg Bodyweight), respectively, 150 minutes before repeating the measurements. Data were analyzed using three-way ANOVA, student’s t-test, and Mann– Whitney U test at a significance level of 0.05. Results: Beetroot juice significantly reduced SBP, DBP, and HR at rest and after resistance training compared to PLA. Furthermore, BJ significantly increased lower body muscular strength and decreased RPE during resistance training. Conclusion: Beetroot juice is a useful beverage that easily and harmlessly controls blood pressure in hypertensive patients. This drink prevents the risk of high blood pressure in addition to improving performance during resistance training.
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单剂量甜菜根汁对男性高血压患者急性阻力训练后功能和心血管变化的影响
背景与目的:高血压患者在进行阻力训练后可能出现血压升高。本研究旨在研究甜菜根汁对高血压男性急性阻力训练期间和之后心血管和功能变化的影响。材料与方法:本研究采用单盲准实验方法,将20例高血压患者随机分为甜菜汁(BJ)和安慰剂(PLA)两组。在测试前的阻力训练后,测量上下半身肌肉力量、感觉用力(RPE)、收缩压和舒张压(SBP,DBP)以及静息和持续心率(HR)。在后测试中,BJ和PLA组在重复测量前150分钟分别饮用甜菜根汁和无热量樱桃味饮料(4.5 mg/Kg体重)。使用三元方差分析、学生t检验和Mann-Whitney U检验对数据进行分析,显著性水平为0.05。结果:与PLA相比,甜菜根汁显著降低了静息和阻力训练后的收缩压、舒张压和心率。此外,BJ在阻力训练中显著增加了下半身肌肉力量,降低了RPE。结论:甜菜根汁是一种对高血压患者血压具有良好控制作用的饮料。这种饮料除了能提高阻力训练的表现外,还能预防高血压的风险。
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来源期刊
CiteScore
0.30
自引率
0.00%
发文量
16
审稿时长
8 weeks
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