The effect of low dose caffeine powder supplementation on serve speed, spike speed, and speed-endurance in elite sitting volleyball players: a randomized double-blind crossover study - Diedhiou, A. B.; Erkan, D.; Guler, M.; Sar, H.; Karakulak, I.; Eyuboglu, E.; Gundem, M. C.; Karayigit, R.; Tuncer, S. Y.; Yildirim, U. C. (BMC Sports Science, Medicine and Rehabilitation, 2025)
Keywords: volleyball; sport for handicapped; sport physiology; nutrition; supplementation; ergogenic aid; effect; initiation; attack; velocity; speed strength; Great Britain; sport games; sports for the handicapped