The effect of different durations of carbohydrate mouth rinse on cycling performance
Open accessAbstract
Carbohydrate (CHO) mouth rinse has been shown to improve time trial performance. Although the exact mechanism remains un‐established, research postulates that there are oral cavity receptors which increase neural drive. Increasing the duration of the mouth rinse could potentially increase stimulation of these receptors. The aim of the current investigation was to determine whether the duration of mouth rinse with 6.4% CHO affected 30‐min self‐selected cycling performance. Eleven male participants (age =24.1±3.9 years) performed three 30‐min self‐paced trials. On one occasion water was given as a mouth rinse for 5 s without being ingested placebo (PLA), on the other two occasions a 6.4% CHO solution was given for 5 and 10 s. Distance cycled, heart rate, ratings of perceived exertion, cadence, speed and power were recorded throughout all trials. The main findings were that distance cycled during the 10‐s mouth rinse trial (20.4±2.3 km) was significantly greater compared to the PLA trial (19.2±2.2 km; P <0.01). There was no difference between the 5‐ and 10‐s trials ( P =0.15). However, 10 out of 11 participants cycled further during the 5‐s trial compared to PLA, and eight cycled further during the 10‐s trial compared to the 5 s. In conclusion, although there was an improvement in distance cycled with the 5‐s mouth rinse compared to the PLA it was only significant with 10 s suggesting a dose response to the duration of mouth rinse.
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Some but not all studies have supported the ability of carbohydrate mouth rinsing to increase performance.
“While this concept is still emerging, some [449–452] but not all [453–455] of the studies have supported the ability of carbohydrate mouth rinsing to increase performance.”
From ISSN exercise & sports nutrition review update: research & recommendations (2018) · cites this paper as [451]
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References 23 · Cited by 106
- Authors
- Sinclair, J., Bottoms, L., Flynn, C., Bradley, E., Alexander, G., McCullagh, S., Finn, T., & Hurst, H. T.
- Affiliations
- University of Lancashire (GB)
- University of East London (GB)
- Corresponding author
- Sinclair, Jonathan
- Venue
- European Journal of Sport Science
- Publisher
- Wiley
- Published
- 2013-04-11
- Volume
- 14
- Issue
- 3
- Pages
- 259-264
- ISSN
- 1536-7290 (ISSN-L)
- 1746-1391
- OpenAlex
- W2048592365
- Cited by
- 106
- References
- 23
- Citations by year
- 2026: 6 · 2025: 7 · 2024: 7 · 2023: 2 · 2022: 5 · 2021: 9 · 2020: 2 · 2019: 9 · 2018: 12 · 2017: 15 · 2016: 14 · 2015: 9 · 2014: 7 · 2013: 2
- FWCI
- 10.94
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- European Journal of Sport Science (publishedVersion)
- PubMed (publishedVersion)
- University of Hertfordshire Research Archive (University of Hertfordshire) (submittedVersion)
- CLOK (University of Central Lancashire) (submittedVersion)
- Topics
- Health Sciences › Medicine › Orthopedics and Sports Medicine › Sports Performance and Training
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Muscle metabolism and nutrition
- Health Sciences › Medicine › Physiology › Thermoregulation and physiological responses
- Keywords
- carbohydrate mouth rinse, cycling performance, self-paced cycling, neural drive, dose-response relationship, rating of perceived exertion, heart rate
- MeSH terms
- Adult, Bicycling, Dietary Carbohydrates, Exercise Test, Heart Rate, Humans, Male, Mouthwashes, Physical Endurance, Time Factors, Athletic Performance, Young Adult
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