The placebo and nocebo effects on peak minute power during incremental arm crank ergometry

Article


Bottoms, L., Buscombe, Richard and Nicholettos, Andrew 2014. The placebo and nocebo effects on peak minute power during incremental arm crank ergometry. European Journal Of Sport Science. 14 (4), pp. 362-367.
AuthorsBottoms, L., Buscombe, Richard and Nicholettos, Andrew
Abstract

This investigation aimed to explore the effects of inert sugar-free drinks described as either ‘performance enhancing’ (placebo) or ‘fatigue inducing’ (nocebo) on peak minute power (PMP;W) during incremental arm crank ergometry (ACE). Twelve healthy, non-specifically trained individuals volunteered to take part. A single-blind randomised controlled trial with repeated measures was used to assess for differences in PMP;W, oxygen uptake, heart rate (HR), minute ventilation, respiratory exchange ratio (RER) and subjective reports of local ratings of perceived exertion (LRPE) and central ratings of perceived exertion (CRPE), between three separate, but identical ACE tests. Participants were required to drink either 500 ml of a ‘sports performance’ drink (placebo), a ‘fatigue-inducing’ drink (nocebo) or water prior to exercise. The placebo caused a significant increase in PMP;W, and a significant decrease in LRPE compared to the nocebo (p=0.01; p=0.001) and water trials (p=0.01). No significant differences in PMP;W between the nocebo and water were found. However, the nocebo drink did cause a significant increase in LRPE (p=0.01). These results suggest that the time has come to broaden our understanding of the placebo and nocebo effects and their potential to impact sports performance.

JournalEuropean Journal Of Sport Science
Journal citation14 (4), pp. 362-367
ISSN1536-7290
1746-1391
Year2014
PublisherTaylor & Francis
Accepted author manuscript
License
CC BY-ND
Web address (URL)http://dx.doi.org/10.1080/17461391.2013.822564
Publication dates
Print2014
Publication process dates
Deposited12 Jun 2014
Copyright informationThis is an Accepted Manuscript of an article published by Taylor & Francis Group in European Journal of Sport Science on 29 Juy 2013, available online at: http://www.tandfonline.com/10.1080/17461391.2013.822564
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