Publications by authors named "Halit Sar"

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Varying doses of evening caffeine ingestion have different effects on rowing ergometer performance, sleep quality, and wakefulness scores.
Izzet Karakulak, Ulaş Can Yildirim, Dilara Erkan, Raci Karayigit, Ender Eyuboglu, Halit Sar

Front Nutr· January 2026

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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.
Azize Bingol Diedhiou, Dilara Erkan, Melek Guler, Halit Sar, Izzet Karakulak

BMC Sports Sci Med Rehabil· November 2025

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Is isokinetic shoulder strength a determinant of serve ball velocity in tennis?
Cengiz Ölmez, Nadhir Hammami, Necdet Apaydın, Soukaina Hattabi, Halit Şar

Sports Biomech· June 2025

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