Effect of Carbohydrate and Caffeine Ingestion on Badminton Performance

in International Journal of Sports Physiology and Performance
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To investigate the effect of ingesting carbohydrate and caffeine solutions on measures that are central to success in badminton.


Twelve male badminton players performed a badminton serve-accuracy test, coincidence-anticipation timing (CAT), and a choice reaction-time sprint test 60 min before exercise. Participants then consumed 7 mL/kg body mass of either water (PLA), 6.4% carbohydrate solution (CHO), a solution containing a caffeine dose of 4 mg/kg, or 6.4% carbohydrate and 4 mg/kg caffeine (C+C). All solutions were flavored with orange-flavored concentrate. During the 33-min fatigue protocol, participants were provided with an additional 3 mL/kg body mass of solution, which was ingested before the end of the protocol. As soon as the 33-min fatigue protocol was completed, all measures were recorded again.


Short-serve accuracy was improved after the ingestion of CHO and C+C compared with PLA (P = .001, ηp2 = .50). Long-serve accuracy was improved after the ingestion of C+C compared with PLA (P < .001, ηp2 = .53). Absolute error in CAT demonstrated smaller deteriorations after the ingestion of C+C compared with PLA (P < .05; slow, ηp2 = .41; fast, ηp2 = .31). Choice reaction time improved in all trials with the exception of PLA, which demonstrated a reduction (P < .001, ηp2 = .85), although C+C was faster than all trials (P < .001, ηp2 = .76).


These findings suggest that the ingestion of a caffeinated carbohydrate solution before and during a badminton match can maintain serve accuracy, anticipation timing, and sprinting actions around the court.

The authors are with the Dept of Applied Sciences and Health, Coventry University, Coventry, UK.

Address author correspondence to Neil Clarke at neil.clarke@coventry.ac.uk.
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