Different Doses of Carbohydrate Mouth Rinse Have No Effect on Exercise Performance in Resistance Trained Women

Raci Karayigit, Scott C. Forbes, Alireza Naderi, Darren G. Candow, Ulas C. Yildirim, Firat Akca, Dicle Aras, Burak C. Yasli, Aysegul Sisman, Ahmet Mor and Mojtaba Kaviani
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Raci Karayigit: Faculty of Sport Sciences, Ankara University, Gölbaşı, Ankara 06830, Turkey
Scott C. Forbes: Department of Physical Education Studies, Brandon University, Brandon, MB R7A 6A9, Canada
Alireza Naderi: Department of Sport Physiology, Boroujerd Branch, Islamic Azad University, Boroujerd 6915136111, Iran
Darren G. Candow: Faculty of Kinesiology and Health Studies, University of Regina, Regina, SK S4S 0A2, Canada
Ulas C. Yildirim: Faculty of Sport Sciences, Ankara University, Gölbaşı, Ankara 06830, Turkey
Firat Akca: Faculty of Sport Sciences, Ankara University, Gölbaşı, Ankara 06830, Turkey
Dicle Aras: Faculty of Sport Sciences, Ankara University, Gölbaşı, Ankara 06830, Turkey
Burak C. Yasli: Department of Physical Education and Sports, Igdir University, Iğdır 76000, Turkey
Aysegul Sisman: Faculty of Sport Science, Muğla Sıtkı Koçman University, Muğla 48000, Turkey
Ahmet Mor: Faculty of Sport Sciences, Sinop University, Sinop 57000, Turkey
Mojtaba Kaviani: School of Nutrition and Dietetics, Faculty of Pure & Applied Science, Acadia University, Wolfville, NS B4P 2R6, Canada

IJERPH, 2021, vol. 18, issue 7, 1-9

Abstract: Carbohydrate (CHO) mouth rinse has been shown to enhance aerobic endurance performance. However, the effects of CHO mouth rinse on muscular strength and endurance are mixed and may be dependent on dosage of CHO. The primary purpose was to examine the effects of different dosages of CHO rinse on strength (bench press 1 repetition maximum [1-RM]) and muscular endurance (40% of 1-RM repetitions to failure) in female athletes. Sixteen resistance-trained females (age: 20 ± 1 years; height: 167 ± 3 cm; body mass: 67 ± 4 kg; BMI: 17 ± 2 kg/m 2 ; resistance training experience: 2 ± 1 years) completed four conditions in random order. The four conditions consisted of a mouth rinse with 25 mL solutions containing either 6% of CHO (Low dose of CHO: LCHO), 12% CHO (Moderate dose of CHO: MCHO), 18% CHO (High dose of CHO: HCHO) or water (Placebo: PLA) for 10 s prior to a bench press strength and muscular endurance test. Maximal strength (1-RM), muscular endurance (reps and total volume), heart rate (HR), ratings of perceived exertion (RPE) and glucose (GLU) were recorded each condition. There were no significant differences in strength ( p = 0.95) or muscular endurance (total repetitions: p = 0.06; total volume: p = 0.20) between conditions. Similarly, HR ( p = 0.69), RPE ( p = 0.09) and GLU ( p = 0.92) did not differ between conditions. In conclusion, various doses of CHO mouth rinse (6%, 12% and 18%) have no effect on upper body muscular strength or muscular endurance in female athletes.

Keywords: ergogenic aid; female athletes; strength; muscular endurance (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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