Kreatin Yüklemesi Yapılan ve Yapılmayan Genç Basketbolcularda Egzersiz Öncesi Akut Likitkreatin Desteğinin Tekrarlı Sprint Performansına Etkisi
Abstract
Theaim of thisstudy is todeterminethepre-exerciseacutecreatinesupplementationeffects on repeatedsprintperformance in creatineloadedandunloadedyoungbasketballplayers. Thisresearchinvolved 13 trainedmale (17.46 0.66 years, 194.2 4.6 cm, 83.79 9.12 kg ve 6.31 2.29 trainingage). Thestudywasdesigned as randomised, doubleblind, crossoverandplacebocontrolled. Athletesweredividedintotwogroupsandattendedto 3 performance test (10x15 m repeatedsprint test with 30 snintervals) on separatedays: baseline, aftercreatineloading (0,3 g kg d, 5 days) andafterliquidcreatinesupplementation (5 ml, sublingual). Preand post test venousandfingerbloodsampleswerecollectedtodetermine LDH, CK, serum creatininand serum electrolyteconcentrationsandlactatelevels. Moreover, athletes heart rate, body compositionandurinedensityweredetermined. Thestudy swashoutdurationforcrossoverdesigntook 3 weeks (21 days).