Dakhil E. Proposed exercises to adjust the approach run and its effect on some bio-kinematic variables, and the lost horizontal distance for performance of long jump at age of (13-15). jope [Internet]. 2017 Mar. 28 [cited 2026 Jun. 29];28(1):65-89. Available from: https://www.jcope.uobaghdad.edu.iq/index.php/jcope/article/view/110