The effect of Caffeine Mouth Rinsing on physical performance in male karateka

Document Type : Original Article

Authors

Department Of Sport Sciences, Faculty Of Humanities, Semnan university, Semnan, Iran

Abstract

Background and Purpose: Caffeine is one of the most popular and widely consumed beverages in the world. Its main source is naturally found in coffee, but it is also found in other plants such as tea leaves. Caffeine mouth rinse without swallowing is a new method that increases physical and cognitive performance without passing through the digestive tract. Considering the involvement of the aerobic and anaerobic systems in karate, the aim of the present study was to investigate the effect of caffeine mouth rinsing on aerobic capacity, anaerobic power, and agility in male karatekas.
Materials and Methods: For this purpose, 12 male club-level karatekas with at least two years of training experience were voluntarily studied in a crossover, balanced, randomized, and double-blind study. The subjects arrived at the gym at 7:30 am in a fasting state. After a 10-minute dynamic warm-up including walking and stretching, subjects rinsed their mouth for 20 seconds either with a caffeine solution (25 mL of water with 600 mg of caffeine) or a placebo (25 mL of empty water). Then, the Illinois test was performed to measure athlete agility, the RAST test to measure anaerobic power, the karate-specific aerobic test to measure aerobic capacity and finally the Borg test to measure athlete’s fatigue. Statistical analysis was carried out by using paired t-tests and SPSS software version 24.
Results: Rinsing with caffeine solution significantly improved agility (P=0.002), fatigue index (P=0.016), and Borg scale (P=0.021) in male karatekas compared to placebo. However, there was no significant effect on aerobic power (P=0.167), maximum anaerobic power (P=0.568), minimum anaerobic power (P=0.650), and average anaerobic power (P=0.648).
Conclusion: In general, it can be concluded that rinsing with caffeine solution has a positive effect on agility and fatigue markers in karatekas and considering its fewer side effects, it is recommended to be used in these athletes.
 

Keywords

Main Subjects

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History

  • Receive Date: 16 October 2024
  • Revise Date: 18 December 2024
  • Accept Date: 22 December 2024
  • First Publish Date: 22 December 2024
  • Publish Date: 19 February 2025

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