“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” (2025) COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, 17(3), pp. 2903–2909. doi:10.26858/cjpko.v17i3.316.