TY  - JOUR
T1  - KAFEİN TAKVİYESİNİN KISA SÜRELİ YÜKSEK YOĞUNLUKLU EGZERSİZE ETKİSİ: KAFEİN ALIM ZAMANI
TT  - EFFECTS OF CAFFEINE INTAKE ON SHORT-TERM HIGH-INTENSITY EXERCISE: CAFFEINE INTAKE TIME
AU  - Erkmen, Nurtekin
AU  - Kara, Zülkif
AU  - Taşkın, Halil
AU  - Baştürk, Dede
PY  - 2019
DA  - April
DO  - 10.17155/omuspd.457212
JF  - Spor ve Performans Araştırmaları Dergisi
JO  - SPD
PB  - Ondokuz Mayıs University
WT  - DergiPark
SN  - 1309-8543
SP  - 31
EP  - 43
VL  - 10
IS  - 1
LA  - tr
AB  - Araştırmada, yüklenmeden 60 dk ve 120 dk önce gerçekleştirilen kafeintakviyesinin kısa süreli yüksek yoğunluklu performansa etkisinin tespitedilmesi amaçlanmıştır. On iki amatör erkek futbol oyuncusu (yaş: 22,69 ± 2,16 yıl, boy uzunluğu: 174,0 ± 7,12 cm, vücut ağırlığı: 70,55 ± 8,76 kg, spor deneyimi: 5,92 ±2,96 yıl) araştırmaya katılmakiçin gönüllü olmuştur. Katılımcılar 2 farklı zamanda kafein takviyesi veplasebo (PL) koşulu olmak üzere rastgele olarak 3 deney koşulunda araştırmayadahil edildiler. Kafein takviyesi, ölçümlerden 60 dk önce (KAF60) ve 120 dkönce (KAF120) olacak şekilde gerçekleştirilmiştir. Her bir deney koşuluarasında en az 3 gün ara verilmiştir. PL koşulunda katılımcılara sadece suverilmiştir. KAF60 ve KAF120 koşulları için katılıcılara 250 ml suyakarıştırılmış olarak 6 mg/kg toz formundaki kafein takviyesi yapıldı. Her birdeney koşulu için 5 m, 10 m, 20 m ve 30 m sürat, çeviklik, dikey ve yataysıçrama testleri uygulanmıştır.Futbolcuların PL, KAF60 ve KAF120 koşullarında sürat performansları, çeviklik,dikey sıçrama ve eller belde durarak uzun atlama mesafelerinin istatistikselolarak anlamlı farklılık göstermediği tespit edilmiştir (p > 0,05). KAF60 veKAF120 gruplarının PL grubundan, KAF120 grubunun ise KAF60 grubundan daha yüksekeller serbest durarak uzun atlama mesafesine sahip oldukları belirlenmiştir (p< 0,05). Sonuç olarak; kafein takviyesinin amatör futbol oyuncularının kısasüreli yüksek şiddetli aktivitelerdeki performansını değiştirmediği, kafeininyüklenmeden 60 dk veya 120 dk önce yapılmasının herhangi bir etkiye sahipolmadığı söylenebilir.
KW  - Çeviklik
KW  - futbol
KW  - güç
KW  - kafein alımı
KW  - sürat
N2  - This study aimed to find out the effect of caffeinesupplement 60 min and 120 min before loading on short-term high-intensityperformance. Twelve male football players volunteered to participate in thestudy (age: 22.69 ± 2.175 years, height: 174 ± 7.118 cm, weight: 70.55±8.760kg, sporting experience: 5,92 ± 2,96 years). The participantswere included in the study randomly under three experimental conditionsconsisting of caffeine supplement and placebo (PL) at two different times.Caffeine supplement was carried out as 60 min before measurements (CAF60) and120 minutes before measurements (CAF120). An interval of at least three dayswas given in between each experimental condition. In PL condition, theparticipants were given only water. In CAF60 and CAF120 trial conditions, caffeinesupplement as powder mixed with water – 6 mg/kg for per body weight- was givento players. Sprint test (5/10/20/30m), vertical jumps and standing broadjumps with / without the arm-swing, and agility test were applied to theplayers foreach experimental conditions. Repeated measures ANOVAs were conducted to compare theexperimental conditions. No significant difference was found in sprintperformance, agility, vertical jumps, and standing broad jump with hands onhips among PL, CAF60 and CAF120 (p > 0.05).Standing broad jump with hands free was higher in CAF60 and CAF120 thanPL (p < 0.05). Also, subjects in CAF120 had higher performance in standingbroad jump with hands free than CAF60 (p < 0.05). In conclusion; results ofthe study revealed that caffeine intake did not change the performances ofamateur players in short-term high-intensity activities. Also, the resultssuggest that taking caffeine 60 min or 120 min before exercise does not have aneffect on performance in high-intensity activities.
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UR  - https://doi.org/10.17155/omuspd.457212
L1  - https://dergipark.org.tr/en/download/article-file/698166
ER  -