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The Effect of Wrist Flexibility and Arm Muscle Strength On The Accuracy of Backhand Backspin Service At The Pingpong Community Club of Bulukumba Regency. Compet. J. Pendidik. Kepelatihan Olahraga. 2025;17(1):278-292. Accessed March 19, 2026. https://competitor.idjournal.eu/index.php/competitor/article/view/188