禁食14小时后碳酸氢钠和碳水化合物摄入对无氧表现和肌肉耐力的影响：一项随机安慰剂对照试验

IF 1.4 Q3 REHABILITATION

JOURNAL OF BODYWORK AND MOVEMENT THERAPIES Pub Date : 2025-08-29 DOI:10.1016/j.jbmt.2025.08.025

Somaieh Hatami, Maryam Ebrahimi, Abuzar Jorbonian

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引用次数: 0

摘要

本研究旨在评估运动男性禁食14小时对无氧性能和肌肉耐力的影响，同时考虑运动前碳酸氢钠（NaHCO3）和碳水化合物（CHO）摄入的作用。方法14例经训练的男性（22.36±1.28岁，BMI: 23.37±2.00 kg/m2，体脂：13.09±5.10%）参与交叉设计研究。他们进行了五次测试，中间间隔一周的洗脱期：在进食状态下进行基线试验，然后在禁食14小时后进行四次试验，分别摄入CHO、NaHCO3或安慰剂（氯化钠）。使用基于跑步的无氧冲刺测试（RAST）来评估无氧性能，通过腿部和卧推重复测试肌肉耐力直到失败。结果与进食状态相比，禁食14 h使无氧性能提高10% (P < 0.05)，肌肉耐力提高24% （P < 0.01）。NaHCO3的补充提高了21%的无氧能力（P < 0.01），减少了37%的疲劳（P < 0.05），而CHO的摄入对无氧性能的影响较小，但提高了耐力。不同条件下的感觉运动速率（RPE）无显著差异。NaHCO3引起轻度胃肠道不适。结论夜间禁食14h可提高训练后雄性动物的无氧性能和肌肉耐力。补充NaHCO3进一步提高功率输出，同时减少疲劳；然而，在实施这一策略时，我们应该考虑肠胃不适。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Effects of sodium bicarbonate and carbohydrate intake after 14-h fasting on anaerobic performance and muscular endurance: A randomized placebo-controlled trial

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Effects of sodium bicarbonate and carbohydrate intake after 14-h fasting on anaerobic performance and muscular endurance: A randomized placebo-controlled trial

Background

This study aimed to evaluate the effects of 14-h fasting on anaerobic performance and muscular endurance in active men, considering the role of pre-exercise sodium bicarbonate (NaHCO₃) and carbohydrate (CHO) intake.

Methods

Fourteen trained men (22.36 ± 1.28 years; BMI: 23.37 ± 2.00 kg/m²; body fat: 13.09 ± 5.10 %) participated in a crossover design study. They underwent five testing sessions, separated by a one-week washout period: a baseline trial in the fed state, followed by four trials after 14 h of fasting with either CHO, NaHCO₃, or a placebo (sodium chloride) ingestion. The anaerobic performance was estimated using the Running-Based Anaerobic Sprint Test (RAST), and muscular endurance was tested through leg and bench press repetitions to failure.

Results

14-h fasting enhanced anaerobic performance by 10 % (P < 0.05) and muscular endurance by 24 % (P < 0.01) compared to the fed state. NaHCO₃ supplementation increased anaerobic power by 21 % (P < 0.01) and reduced fatigue by 37 % (P < 0.05), whereas CHO intake had a minor effect on anaerobic performance but improved endurance. There was no significant difference in Rate of Perceived Exertion (RPE) across conditions. NaHCO₃ caused mild gastrointestinal discomfort.

Conclusion

A 14-h overnight fast may enhance anaerobic performance and muscular endurance in trained males. NaHCO₃ supplementation further enhances power output while reducing fatigue; However, we should consider gastrointestinal discomfort when implementing this strategy.

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来源期刊

JOURNAL OF BODYWORK AND MOVEMENT THERAPIES REHABILITATION-

CiteScore

2.80

自引率

0.00%

发文量

133

审稿时长

321 days

期刊介绍： The Journal of Bodywork and Movement Therapies brings you the latest therapeutic techniques and current professional debate. Publishing highly illustrated articles on a wide range of subjects this journal is immediately relevant to everyday clinical practice in private, community and primary health care settings. Techiques featured include: • Physical Therapy • Osteopathy • Chiropractic • Massage Therapy • Structural Integration • Feldenkrais • Yoga Therapy • Dance • Physiotherapy • Pilates • Alexander Technique • Shiatsu and Tuina