The effects of acute l-carnıtıne supplementatıon on endurance performance of athletes

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dc.contributor.authorErikoğlu Örer, Gamze
dc.contributor.authorGüzel, Nevin A.
dc.date.accessioned13.07.201910:50:10
dc.date.accessioned2019-07-29T19:27:48Z
dc.date.available13.07.201910:50:10
dc.date.available2019-07-29T19:27:48Z
dc.date.issued2014
dc.departmentSpor Bilimleri Fakültesi
dc.description.abstractOrer, GE and Guzel, NA. The effects of acute l-carnitine supplementation on endurance performance of athletes. J Strength Cond Res 28(2): 514-519, 2014This study examined the effect of acute l-carnitine loading on the endurance performance of footballers. Measurements were performed on 26 candidate professional footballers who volunteered to take part in the study. Athletes were given a glass of fruit juice 1 hour before applying l-carnitine with the double-blind method. Then, 12 participants were given 3 g of l-carnitine (LK-3) and the remaining 14 were given 4 g (LK-4). Athletes began the exercise test at a running speed of 8 kmh(-1) and then continued at 10 kmh(-1). The speed was increased 1 kmh(-1) every 3 minutes, and the test continued until the subject chose to quit. Heart rate was registered using a portable telemetric heart rate monitor during the test. Blood samples were taken from the earlobes of the footballers both before the test and before the speed increase (during the 1-minute interval), and the lactate (La) concentration was measured electroenzymatically. The test was repeated after 1 week as a group of placebos (P-3 and P-4). The result showed that the running speeds corresponding to specific La concentrations were increased, and La and heart rate responses to the running speeds were decreased in both supplemented groups compared with placebos (p 0.05). A significant reduction in heart rate was found in LK-4 and P-4 (p 0.05). When the Borg responses to the running speeds were analyzed, a significant difference was found in both supplemented groups (p 0.05). The results show that 3 or 4 g of l-carnitine taken before physical exercise prolonged exhaustion.
dc.identifier.doi10.1519/JSC.0b013e3182a76790
dc.identifier.endpage519en_US
dc.identifier.issn1064-8011
dc.identifier.issn1533-4287
dc.identifier.issue2en_US
dc.identifier.pmid24263659
dc.identifier.scopusqualityQ1
dc.identifier.startpage514en_US
dc.identifier.urihttps://doi.org/10.1519/JSC.0b013e3182a76790
dc.identifier.urihttps://hdl.handle.net/20.500.12451/5933
dc.identifier.volume28en_US
dc.identifier.wosWOS:000330562900026
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherLippincott Williams & Wilkins
dc.relation.ispartofJournal of Strength and Conditioning Research
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectSportsmen
dc.subjectLoad
dc.subjectExhaustion
dc.subjectSupplement
dc.subjectCarnitine
dc.titleThe effects of acute l-carnıtıne supplementatıon on endurance performance of athletes
dc.typeArticle

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