习惯性使用者的咖啡因戒断:心血管对血流受限运动的反应

IF 1.3 4区 医学 Q3 REHABILITATION
Journal of Sport Rehabilitation Pub Date : 2024-07-19 Print Date: 2024-08-01 DOI:10.1123/jsr.2023-0424
Matthew A Chatlaong, Daphney M Carter, William M Miller, Chance J Davidson, Matthew B Jessee
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引用次数: 0

摘要

背景:血流限制阻力运动研究通常要求戒除咖啡因,以避免心血管效应改变血流限制刺激。然而,习惯性使用者的影响可能会减弱:比较习惯性使用者在摄入或禁用咖啡因时对血流限制阻力运动的心血管反应:设计:30 名参与者完成了一项为期 3 次的受试者内研究,首先是熟悉情况和咖啡因摄入量问卷调查:第 2 次和第 3 次研究包括血流限制阻力运动(3 组二头肌弯举至失败,30% 1 次重复最大值,40% 动脉闭塞压 [AOP]),参与者正常摄入咖啡因(CAFF)或戒断咖啡因(ABS)。在运动前和运动后测量 AOP、收缩压(SBP)和舒张压(DBP)以及心率。对不同条件下的 SBP、DBP、AOP(均为毫米汞柱)、心率(以每分钟心跳数计)和重复次数的患病率和运动前到运动后的变化分数进行比较。结果以平均值(标清)表示:CAFF 运动前 AOP(137.8 [14.4])和 ABS 运动前 AOP(137.1 [14.9],BF10 = 0.2)相似,但 CAFF 运动前 SBP(115.4 [9.8])高于 ABS 运动前 SBP(112.3 [9.4],BF10 = 1.9)。不同条件下的预 DBP 相似。运动诱导的 AOP 变化 CAFF(18.4 [11.2])大于 ABS(13.2 [14.9]),尽管证据只是传闻(BF10 = 0.7)。运动引起的 SBP、DBP 和心率变化在不同条件下相似(所有 BF10 ≤ 0.40)。CAFF完成的重复次数(63 [26])多于ABS(57 [17],BF10 = 2.1):本研究结果表明,对于习惯性使用者来说,保持每天摄入咖啡因的习惯不会对与血流限制相关的常见心血管变量产生实质性影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Caffeine Abstinence in Habituated Users: Cardiovascular Responses to Exercise With Blood Flow Restriction.

Context: Blood flow restriction resistance exercise studies often require caffeine abstinence to avoid cardiovascular effects that could change the blood flow restriction stimulus. However, effects may be attenuated for habituated users.

Objective: To compare cardiovascular responses to blood flow restriction resistance exercise when habituated users consume or abstain from caffeine.

Design: Thirty participants completed a 3-visit within-subject study beginning with familiarization and caffeine intake questionnaire.

Methods: Visits 2 and 3 consisted of blood flow restriction resistance exercise (3 sets bicep curls to failure, 30% 1-repetition max, 40% arterial occlusion pressure [AOP]), following participants' normal caffeine consumption (CAFF) or abstaining (ABS). AOP, systolic (SBP) and diastolic (DBP) blood pressure, and heart rate were measured preexercise and postexercise. Prevalues and preexercise to postexercise change scores for SBP, DBP, AOP (all millimeters of mercury), heart rate (in beats per minute), and repetitions were compared between conditions. Results are represented as mean (SD).

Results: Preexercise AOP was similar for CAFF (137.8 [14.4]) and ABS (137.1 [14.9], BF10 = 0.2), although pre-SBP was higher for CAFF (115.4 [9.8]) than ABS (112.3 [9.4], BF10 = 1.9). Pre-DBP was similar between conditions. The exercise-induced change in AOP was greater for CAFF (18.4 [11.2]) than ABS (13.2 [14.9]), though evidence was anecdotal (BF10 = 0.7). Exercise-induced changes in SBP, DBP, and heart rate were similar between conditions (all BF10 ≤ 0.40). More repetitions were completed for CAFF (63 [26]) than ABS (57 [17], BF10 = 2.1).

Conclusions: The findings of this study suggest that for habituated users, maintaining daily caffeine habits will not have substantial effects on common cardiovascular variables relevant to blood flow restriction.

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来源期刊
Journal of Sport Rehabilitation
Journal of Sport Rehabilitation 医学-康复医学
CiteScore
3.20
自引率
5.90%
发文量
143
审稿时长
>12 weeks
期刊介绍: The Journal of Sport Rehabilitation (JSR) is your source for the latest peer-reviewed research in the field of sport rehabilitation. All members of the sports-medicine team will benefit from the wealth of important information in each issue. JSR is completely devoted to the rehabilitation of sport and exercise injuries, regardless of the age, gender, sport ability, level of fitness, or health status of the participant. JSR publishes peer-reviewed original research, systematic reviews/meta-analyses, critically appraised topics (CATs), case studies/series, and technical reports that directly affect the management and rehabilitation of injuries incurred during sport-related activities, irrespective of the individual’s age, gender, sport ability, level of fitness, or health status. The journal is intended to provide an international, multidisciplinary forum to serve the needs of all members of the sports medicine team, including athletic trainers/therapists, sport physical therapists/physiotherapists, sports medicine physicians, and other health care and medical professionals.
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