Abdul Haris Handoko et al. 2026. Analysis of the Application of Training Principles in the Coaching of Long Jump Techniques among Students of the Faculty of Sports Science, Universitas Negeri Medan . Attractive : Innovative Education Journal. 8, 1 (Mar. 2026), 104–116. DOI:https://doi.org/10.51278/aj.v8i1.2164.