Effects of Carbohydrate and Sodium Chloride Mouth Rinses on Repeated Sprint Performance

Yıl 2022, Cilt: 8 Sayı: 3, 71 - 81, 27.09.2022

Onur Yalçın

https://doi.org/10.18826/useeabd.1126881

Öz

Aim: The purpose of this research is to examine the effects of oral rinsing of CHO and NaCl on repeated sprint performance in trained athletes.

Methods: Fifteen trained athletes (5 women; 10 men) voluntarily participated in the repeated, single-blind, placebo-controlled and crossover design study. Athletes came to the laboratory with a night fasting four times with an interval of at least 48 hours and participated in the repeated sprint test (10 sec × 6, 40 sec intervals) after 30 minutes of endurance exercise (70% maxVO2). At the 0th, 10th, 20th and 30th minutes of the endurance exercise, it was requested to MR with CHO (6.4% maltodextrin), sodium chloride (6.4%) solution and water (placebo) or no rinsing (control).

Results: As a result of the analyzes performed with 3 × 4 ANOVA, the power output variables obtained by repeated sprint performance [peak power, average power, minimum power (W, W/kg) and fatigue index (%)] and fatigue variables (heart rate, blood lactate level and rate of perceived exertion) between sessions were not found to be significantly different.

Conclusion: From the obtained results, it may be concluded that the method and stimuli used in this study seem insufficient to affect the outcome variables of physical performance.

Anahtar Kelimeler

Ergogenic effect, Fatigue index, Heart rate, Lactate level

Karbonhidrat ve Sodyum Kloridi Ağızda Çalkalamanın Tekrarlı Sprint Performansına Etkisi

Öz

Amaç: Bu çalışmanın amacı, antrenmanlı sporcularda oral CHO ve NaCl ile durulamanın tekrarlanan sprint performansı üzerindeki etkilerini araştırmaktır.

Materyal ve Metot: On beş antrenmanlı sporcu (5 kadın; 10 erkek) gönüllü olarak tekrarlanan, tek kör, plasebo kontrollü ve çapraz tasarım çalışmasına katılmışlardır. Sporcular laboratuvara en az 48 saat arayla dört kez gece açlığı ile gelmişler ve 30 dakikalık dayanıklılık egzersizi (%70 maxVO2) sonrasında tekrarlı sprint testine (10 sn x 6, 40 sn aralıklarla) katılmışlardır. Dayanıklılık egzersizinin 0, 10, 20 ve 30. dakikalarında CHO (%6.4 maltodekstrin), sodyum klorür (%6.4) solüsyonu ve su (plasebo) veya durulamasız (kontrol) ile MR istenmiştir.

Bulgular: 3×4 ANOVA ile yapılan analizler sonucunda, tekrarlı sprint performansı ile elde edilen güç çıkış değişkenleri [tepe güç, ortalama güç, minimum güç (W, W/kg) ve yorulma indeksi (%)] ve yorulma değişkenleri (kalp) oranı, kan laktat düzeyi ve algılanan efor oranı) seanslar arasında istatiksel olarak anlamlı farklılıklar bulunmamıştır.

Sonuç: Elde edilen sonuçlardan, bu çalışmada kullanılan yöntem ve uyaranların fiziksel performansın sonuç değişkenlerini etkilemek için düşük düzeyde etki gösterdiği sonucuna varılabilir.

Anahtar Kelimeler

Ergojenik yardım, Yorgunluk indeksi, Kalp atımı, Laktat seviyesi

Kaynakça

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