The Relationship Between Arm Muscle Strength And Arm Length To The Accuracy Of Overall Services In Extracurricular Volleyball Students At State Vocational High School 4 Palembang. Compet. J. Pendidik. Kepelatihan Olahraga. 2025;17(3):2903-2909. Accessed March 19, 2026. https://competitor.idjournal.eu/index.php/competitor/article/view/316