 .ACSM, K. (2014). Inform Tion On High-Intensity Intensity Training. Indianapolis ,American College of Sports Medicine.

 Abbassi, Y. & Z. (2017). he Effect of Competition-Simulated Training on Certain Physical Abilities and Basic Skills of Footbal. L-Tahadi Journal, University of Larbi Ben M’hidi – Oum El Buqi, 12, 139–161.

 Alhiti, muafaq asead. (2013). Sports training system for elite levels. Dar Al-Arab for Publishing and Translation.

 Ali, M. G. A. H. (2025). A Proposed Framework for Regulating the Training Load within the Training Unit According to Recovery Periods after Exercise. - Scientific Journal of Physical Education and Sport Sciences – Helwan University, 4(106), 380–399.

 Badr, A. (2011). Principles and methods of scientific research. Academic Library.

 Dhunoun, S. N. S. and Y. M. (2025). The effect of high-intensity interval training (HITT) on cardiorespiratory efficiency in football players. Wasit Journal of Mathematical Sciences, 2(24), 391–407.

 Driver, J. (2012). high intensity interval training explaine Createspace.

 El-Sayed, F. E.-B. (1998). Statistical psychology. Dar Al Fikr Al Arabi Printing Press.

 Farag, G. S. (2019). Table and Endurance Training Encyclopedia - Physiology - Achievement (1st ed.). Amman, Dar Safaa Publishing and Distribution.

 Hamid, A. K. A. and H. N. (2025). The effect of high-intensity interval training (HIIT) exercises on some physiological indicators in young futsal players. Al-Mustansiriya Journal of Sports Sciences, 7(1), 212–224. https://doi.org/10.62540/mjss.2025.1.7.17

 Ibrahim, M. A.-S. (2021). The effect of high-intensity interval training on some physiological variables of football players. Port Said University Journal, 3(1), 156.

 Kadhim, K. I. (2025). The effect of special exercises similar to skill performance in developing the performance of the great posterior circle skill on the chin-up apparatus for juniors. Journal of Studies and Researches of Sport Education, 35(2), 325–335. https://doi.org/10.55998/jsrse.v35i2.1077

 Khuraibat, R. M. (2024). The Effect of competitive Exercises to Develop some Physical and Skill Capabilities of Al-Sinaa Youth Football Club players. Dhi Qar Journal of Physical Education Sciences, 2(1), 228–245. https://iasj.rdd.edu.iq/journals/uploads/2025/03/23/7210a7c1e113375b1e674971410f463a.pdf

 Muhammad Nasr al-Din Radwan. (1998). Physiological measurements in the sports field. Book Center for Publishing.

 MwafaqAsaad Mahmoud, F. (2020). The effect of complex exercises to developcomplex speed skills For young footballers Research presented By. University of Anbar Sport and Physical Education Science Journal, 4(20), 299–306. https://www.iasj.net/iasj/article/189564

 Petersen, B, A, Hastings , B , Gottschall, J. . (2016). High intensity interval cycling improves physical Fitness in trained adults. In J. Fitness Res.

 Saleh, M. I. H. and M. (2015). Mufti Ibrahim Hammad and Muhammad Saleh. Mukhtar Publishing and Distribution Foundation.

 Stefan Jajo Marzina Krish, M. S. S. A.-H. (2016). The effectiveness of some physical fitness elements in some complex skills for football players aged 10-12 years. Sports Culture Journal, 7(2), 67–82. https://www.iasj.net/iasj/article/121715

 W, K. V. M. (2011). Basics of Sports Physiology.

 Watut, bilal mursi. (2022). The effectiveness of high-intensity interval training (HIIT) on developing the physical and skill training condition of wrestlers. Journal of Theories and Applications of Physical Education and Sports Science, 37(1), 56–103.

 Weston, M. et al. (2014). Effects of low‑volume high‑intensity interval training (HIIT) on fitness in adults: a meta‑analysi. SPORT MED, 44(4), 1005–1018. https://doi.org/10.1007/S40279-014-0180-Z

 Zuhl, C. M. K. & M. (2015). Mechanisms of Oxidative Damage and Their Impact on