Genç Erkek Sporcularda Akut Kafein Alımının Denge, Dikkat ve Reaksiyon Süresi Üzerindeki Etkileri: Randomize, Çift Kör ve Plasebo Kontrollü Deneysel Bir Çalışma

Abstract

Bu çalışmanın amacı, genç erkek sporcularda kafein alımının reaksiyon zamanı, seçici dikkat ve postüral denge üzerindeki akut etkilerini incelemektir. Rastgele, çift kör, plasebo kontrollü bir araştırma tasarımı kullanılarak, 30 katılımcıya testten 60 dakika önce 6 mg/kg kafein veya plasebo verilmiştir. Değerlendirmeler kapsamında d2 Dikkat Testi, BlazePod™ reaksiyon sistemi ve Flamingo Denge Testi yer almıştır. Plaseboya kıyasla kafein, işlenen toplam madde sayısını ve konsantrasyon performansını anlamlı düzeyde artırırken, atlama (ihmal) hatalarını azaltmıştır (p < 0,05). Ayrıca kafein, reaksiyon sürelerini anlamlı ölçüde kısaltmıştır (p < 0,05). Bununla birlikte, postüral denge performansı açısından anlamlı bir etkileşim gözlemlenmemiştir (p = 0,38). Akut kafein takviyesi, postüral stabiliteden ödün vermeden hız-doğruluk dengesini optimize ederek reaksiyon hızını ve seçici dikkati anlamlı ölçüde iyileştirmektedir. Bu bulgular, kafeinin yüksek bilişsel odaklanma ve hızlı karar verme gerektiren sporlar için güvenilir bir ergojenik yardımcı olduğunu göstermektedir.

Keywords

• Denge
• Kafein
• Reaksiyon Süresi
• Seçici Dikkat
• Spor Performansı.

Supporting Institution

Bu araştırma herhangi bir dış finansman almamıştır.

Ethical Statement

Çalışma, Helsinki Bildirgesi'ne uygun olarak yürütülmüş ve Hakkari Üniversitesi Bilimsel Araştırma ve Yayın Etik Kurulu tarafından onaylanmıştır (Tarih: [20.10.2025], Karar No: [2025/209]).

Thanks

Yazarlar, bu çalışmaya değerli katkılarından dolayı tüm katılımcılara teşekkür etmek ister.

The Acute Effects of Caffeine Ingestion on Balance, Attention, and Reaction Time in Young Male Athletes: A Randomized, Double-Blind, Placebo-Controlled Experimental Study

Abstract

The aim of this study is to investigate the acute effects of caffeine ingestion on reaction time, selective attention, and postural balance in young male athletes. Using a random-ized, double-blind, placebo-controlled design, 30 participants received 6 mg/kg of caffeine or a placebo 60 minutes before testing. Assessments included the d2 Test of Attention, BlazePod™ reaction system, and the Flamingo Balance Test. Compared to the placebo, caffeine significantly increased the total number of items processed and concentration performance, while reducing omission errors (p < 0.05). Furthermore, caffeine significantly decreased reaction times (p < 0.05). However, no significant interaction was observed re-garding postural balance performance (p = 0.38). Acute caffeine supplementation signifi-cantly improves reaction speed and selective attention by optimizing the speed-accuracy trade-off, without compromising postural stability. These findings suggest that caffeine is a reliable ergogenic aid for sports requiring high cognitive focus and rapid deci-sion-making.

Keywords

• Balance
• Caffeine
• Reaction Time
• Selective Attention
• Sports Performance.

Supporting Institution

This research received no external funding.

Ethical Statement

The study was conducted in accordance with the Declaration of Helsinki and approved by Scientific Research and Publication Ethics Committee of Hakkari University (Date: [20.10.2025], Decision No: [2025/209]).

Thanks

The authors would like to thank all participants for their valuable contributions to this study.

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