Effect of 12 hour-fasting promoted by breakfast omission on acute weight loss and physical performance of taekwondo athletes

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dc.creatorRonaldo Angelo Dias da Silva
dc.creatorLeszek Antoni Szmuchrowski
dc.creatorPaula Simonini
dc.creatorCristiano Arruda Gomes Flôr
dc.creatorBruno V. C. da Silva
dc.creatorMarcos Daniel Motta Drummond
dc.date.accessioned2024-02-29T17:47:38Z
dc.date.accessioned2025-09-09T00:15:48Z
dc.date.available2024-02-29T17:47:38Z
dc.date.issued2020
dc.identifier.issn2300-8822
dc.identifier.urihttps://hdl.handle.net/1843/64993
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofArchives of Budo Science of Martial Arts and Extreme Sports
dc.rightsAcesso Aberto
dc.subjectAlterações do peso corporal
dc.subjectArtes marciais
dc.subjectDietas restritivas
dc.subjectPlacebos
dc.subject.otherBody weight changes
dc.subject.otherCombat sports
dc.subject.otherDietary restrictions
dc.subject.otherEnergy balance
dc.subject.otherPlacebo
dc.titleEffect of 12 hour-fasting promoted by breakfast omission on acute weight loss and physical performance of taekwondo athletes
dc.typeArtigo de periódico
local.citation.epage35
local.citation.issue1
local.citation.spage29
local.citation.volume16
local.description.resumoBackground &Study Aim: Fasting is one of the most used nutritional strategies for weight loss by taekwondo athletes, but it could decrease sports performance. However, fasting promoted by breakfast omission may be an efficient alternative to rapid weight loss without negatively impair performance. This study aim was answer to question: whether 12-hour fasting promoted by breakfast omission promotes acute weight loss and interferes with the general and specific physical performance of taekwondo athletes. Material &Methods: In a randomized, double-blind, crossover design, 10 black belts taekwondo athletes performed two experimental sessions of countermovement jump (CMJ) and three rounds of Frequency of Speed Kick Test multiple (FSKTmult) series. Physical performance was determined by the total kicks of the three rounds (TK) and of each round (TKR) performed after fasting, in two conditions: after ingesting a placebo drink or a liquid meal. Rate perception effort of the mean of the three rounds (RPEm), rate perception effort of each round (RPE), the total kicks decrement index (TKDI) and the kicks decrement index in each round (KDI) were measured. Results: Total body mass decrease significantly between pre (64.68 ±7.11 kg) and post-fasting (64.03 ±7.03 kg) (p = 0.001; d = 0.09; Δ = 1%). CMJ, TK, RPEm and TKDI were not different between situations. KDI was not different between rounds in any condition. TKR decreased (p<0.001) between the three rounds but not between situations. RPE was not different between situations (p = 0.27) but increased between rounds (p<0.05). Conclusions: A 12-hour fasting promoted by breakfast omission may be efficient to significantly decrease total body mass, without decrease the physical performance of taekwondo athletes.
local.identifier.orcidhttps://orcid.org/0000-0001-7668-6131
local.identifier.orcidhttps://orcid.org/0000-0002-8715-4226
local.identifier.orcidhttps://orcid.org/0000-0002-5622-1297
local.publisher.countryBrasil
local.publisher.departmentEEF - DEPARTAMENTO DE ESPORTES
local.publisher.initialsUFMG
local.url.externahttps://smaes.archbudo.com/view/abstract/id/13855

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