Special exercises using a proposed training aid and the (A.S.H) device and their effects on certain physical abilities and the performance of the 110 m hurdles under 20 years. J. Humanit. Social Sci. Res. [Internet]. 2025 Jun. 30 [cited 2026 May 8];4(3). Available from: https://jhssrjournal.com/index.php/journal/article/view/483