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The placebo effect of a pink non-caloric, artificially sweetened solution on strength endurance performance and psychological responses in trained individuals (Record no. 133224)

MARC details
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fixed length control field 02665nam a2200157 4500
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
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100 ## - MAIN ENTRY--PERSONAL NAME
Personal name Vitor de Salles Painelli
245 ## - TITLE STATEMENT
Title The placebo effect of a pink non-caloric, artificially sweetened solution on strength endurance performance and psychological responses in trained individuals
300 ## - PHYSICAL DESCRIPTION
Extent pp545-552
520 ## - SUMMARY, ETC.
Summary, etc. biblio.abstract Background: The pink color enhances the perceived sweetness, increasing the individuals’ expectation of the presence of sugar/carbohydrate in a beverage. Hence, it is plausible to speculate that providing a pink solution during exercise could induce an ergogenic benefit through a potential placebo effect. Aim: We examined whether ingesting a pink non-caloric, artificially sweetened solution can improve endurance strength exercise performance and psychological responses. Methods: Eighteen strength-trained individuals (34 ± 7 y; 1.74 ± 0.06 m; 79.86 ± 10.91 kg) completed three experimental trials in a randomized, single-blind, crossover counterbalanced fashion. In each trial, participants performed a 5-set strength endurance test at 70% of the one-repetition maximum in the bench press exercise, interspersed by 2 min. Before each set, participants ingested either a pink (PINK) or a transparent (TRANSP) non-caloric, artificially sweetened solution. A session without ingestion (CON) was also completed. Total number of repetitions and psychological responses such as motivation, emotional arousal, affect, and ratings of perceived exertion were obtained throughout the exercise protocol. Results: Total repetitions improved in PINK (60 ± 12 reps) compared to TRANSP (p = 0.03; 56 ± 10 reps; ES = 0.22; ±3.8%) and CON (p = 0.01; 56 ± 9 reps; ES = 0.33; ±6.6%), but no difference occurred between TRANSP and CON (p = 0.84; ES = 0.12; ±2.4%). Comparable responses were observed in motivation, emotional arousal, affect, and ratings of perceived exertion in PINK, TRANSP, and CON trials (all, p > 0.05), despite the greater total physical work performed in PINK trial. Conclusion: Ingesting a pink non-caloric, artificially sweetened solution improved strength endurance performance with comparable psychological responses. These results have implications for future nutritional studies and performance assessments in real-world sports scenarios.
654 ## - SUBJECT ADDED ENTRY--FACETED TOPICAL TERMS
Subject <a href="Muscle endurance">Muscle endurance</a>
-- <a href="placebo ">placebo </a>
-- <a href="ergogenic">ergogenic</a>
-- <a href="resistance">resistance</a>
-- <a href="psychological responses">psychological responses</a>
700 ## - ADDED ENTRY--PERSONAL NAME
Personal name Edvania Fernandes
773 0# - HOST ITEM ENTRY
Host Biblionumber 132082
Host Itemnumber 114107
Place, publisher, and date of publication California Sage Publications 2025
Title Nutrition and Health
International Standard Serial Number 0260-1060
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Koha item type Journal Article
Holdings
Withdrawn status Lost status Source of classification or shelving scheme Damaged status Not for loan Location (home branch) Sublocation or collection (holding branch) Date acquired Koha issues (times borrowed) Piece designation (barcode) Koha date last seen Price effective from Koha item type
    Dewey Decimal Classification     SNDT Juhu SNDT Juhu 06/11/2025   jp963.13 06/11/2025 06/11/2025 Journal Article