RELIEF OF SPORTS FATIGUE AFTER MARATHON RACES BY PNF STRETCHING

4区医学 Q4 Health Professions Revista Brasileira de Medicina do Esporte Pub Date : 2023-03-30 DOI:10.1590/1517-8692202329012023_0041

Xiaofeng Zhang, Zhewei Liu

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Abstract

ABSTRACT Introduction: Marathon running requires stretching practices to relieve fatigue after exercise. The Proprioceptive Neuromuscular Facilitation (PNF) technique is an advanced stretching technique that allows segmenting of a specific muscle group for simultaneous stretching and strengthening. Objective: This paper explores the effect of PNF stretching exercise on relieving sports fatigue after marathon races. Methods: In this paper, 160 marathon runners were selected for the experiment, and randomly divided into experimental and control groups. The experimental group performed the PNF stretching exercise, while the control group remained with traditional stretching without any new intervention. Fatigue was assessed according to the heart rate, collected before, during, and after the experiment. Results: After nine weeks of PNF stretching training, the heart rate in the experimental group changed from 65.35 to 62.46 in the morning; during training, the group’s heart rate changed from 180.79 to 173.04; after recovery, the first group’s heart rate changed from 82.88 to 81.88. In the control group, the heart rate of the group also showed changes from 65.29 to 68.86 in the morning; during training, it changed from 180.7 to 175.49; and after recovery, from 86.23 to 88.4. Conclusion: PNF stretching exercise has a positive effect on relieving sports fatigue after marathon races. Level of evidence II; Therapeutic studies - investigation of treatment outcomes.

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PNF拉伸对马拉松后运动疲劳的缓解作用

摘要简介:跑马拉松需要进行伸展练习，以缓解运动后的疲劳。本体感觉神经肌肉促进(PNF)技术是一种先进的拉伸技术，允许分割特定的肌肉群同时拉伸和加强。目的:探讨PNF拉伸运动对缓解马拉松比赛后运动疲劳的作用。方法:本文选取160名马拉松运动员作为实验对象，随机分为实验组和对照组。实验组进行PNF拉伸运动，而对照组保持传统拉伸运动，不进行任何新的干预。根据实验前、实验中和实验后的心率来评估疲劳程度。结果:经9周PNF拉伸训练后，实验组晨心率由65.35变化为62.46;在训练过程中，实验组的心率从180.79变化到173.04;恢复后，第一组的心率从82.88变为81.88。在对照组中，早上的心率也从65.29变化到68.86;训练时，从180.7变为175.49;恢复后，从86.23降到88.4。结论:PNF拉伸运动对缓解马拉松赛后运动疲劳有积极作用。证据等级II;治疗性研究——对治疗结果的调查。

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来源期刊

Revista Brasileira de Medicina do Esporte PHYSIOLOGY-SPORT SCIENCES

自引率

0.00%

发文量

204

审稿时长

6-12 weeks

期刊介绍： The Revista Brasileira de Medicina do Esporte (RBME in its Portuguese form) is an official organ of the Sociedade Brasileira de Medicina do Exercício e do Esporte (SBME) Brazilian Society of Exercise Medicine and Sports) and represents the main promotion resource of the scientific production in the Exercise Sciences and Sports Medicine (SBME) fields in our country. The RBME was launched in 1995 with trimester periodicity and became regularly bi-monthly published with no interruptions from 1999. RBME is an inter-and multidisciplinary, peer reviewed, Open Access journal which accepts contributions from the national and international scientific community. RBME publishes original articles of high scientific relevance in Exercise and Sports Medicine, review articles, and systematic reviews. RBME preferably publishes original articles of international interest, not only of regional significance. Its goal is to disseminate the scientific production in the areas of exercise and sports medicine through the publication of original research results and other documents that contribute to the scientific and applied knowlewdge of physical activity, exercise and sports, within the framework of biological sciences and medicina. Its title abbreviation is Rev Bras Med Esporte, which should be used in references, footnotes and reference subtitles.