The Placebo and Nocebo effect on sports performance: A systematic review

IF 2.4 3区医学 Q2 SPORT SCIENCES

European Journal of Sport Science Pub Date : 2019-08-20 DOI:10.1080/17461391.2019.1655098

P. Hurst, Lieke Schipof-Godart, A. Szabó, J. Raglin, F. Hettinga, B. Roelands, A. Lane, A. Foad, D. Coleman, Chris Beedie

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引用次数: 62

Abstract

Abstract The aim of this review was to determine the magnitude of the placebo and nocebo effect on sport performance. Articles published before March 2019 were located using Medline, Web of Science, PubMed, EBSCO, Science Direct, and Scopus. Studies that examined placebo and nocebo effects of an objective dependent variable on sports performance, which included a control or baseline condition, were included in the analysis. Studies were classified into two categories of ergogenic aids: (1) nutritional and (2) mechanical. Cohen’s d effect sizes were calculated from 32 studies involving 1513 participants. Small to moderate placebo effects were found for both placebo (d = 0.36) and nocebo (d = 0.37) effects and when separated by nutritional (d = 0.35) and mechanical (d = 0.47) ergogenic aids. The pooled effect size revealed a small to moderate effect size across all studies (d = 0.38). Results suggest that placebo and nocebo effects can exert a small to moderate effect on sports performance.

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安慰剂和反安慰剂对运动表现的影响:一项系统综述

摘要:本综述的目的是确定安慰剂和反安慰剂对运动表现的影响程度。在2019年3月之前发表的文章使用Medline, Web of Science, PubMed, EBSCO, Science Direct和Scopus进行定位。这些研究考察了安慰剂和反安慰剂对运动表现的客观因变量影响，其中包括对照或基线条件。研究分为两类:(1)营养性和(2)机械性。科恩的效应量是根据涉及1513名参与者的32项研究计算出来的。安慰剂效应(d = 0.36)和反安慰剂效应(d = 0.37)在被营养(d = 0.35)和机械(d = 0.47)经氧辅助剂分开时均被发现有小到中度的安慰剂效应。综合效应量显示，所有研究的效应量均为小到中等(d = 0.38)。结果表明，安慰剂和反安慰剂效应可以对运动表现产生小到中度的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

European Journal of Sport Science 医学-运动科学

CiteScore

6.60

自引率

3.10%

发文量

153

审稿时长

6-12 weeks

期刊介绍： The European Journal of Sport Science (EJSS) is the official Medline- and Thomson Reuters-listed journal of the European College of Sport Science. The editorial policy of the Journal pursues the multi-disciplinary aims of the College: to promote the highest standards of scientific study and scholarship in respect of the following fields: (a) Applied Sport Sciences; (b) Biomechanics and Motor Control; c) Physiology and Nutrition; (d) Psychology, Social Sciences and Humanities and (e) Sports and Exercise Medicine and Health.