Aboshkair, K. A., Phil, M., Amri, S., Yee, K. L., Khammas, R. K., & Hussein, A. Y. (2012). Relations between health-related physical fitness, physical activity, and BMI among children in selangor, malaysia. Wulfenia Journal, 19(10), 67-81. Retrieved from www.scopus.com
Coe, R. (2002). It's the effect size, stupid: What effect size is and why it is important. Annual Conference of the British Educational Research Association, Retrieved from www.scopus.com
Davis, K., Rossi, S., Langdon, J., & McMillan, J. (2012). The relationship between jumping and sprinting performance in collegiate ultimate athletes. J Coach Ed, 5, 24-37. Retrieved from www.scopus.com
Ebben, W. P., Davies, J. A., & Clewien, R. W. (2008). Effect of the degree of hill slope on acute downhill running velocity and acceleration. Journal of Strength and Conditioning Research, 22(3), 898-902. doi:10.1519/JSC.0b013e31816a4149
Ferguson, C. J. (2009). An effect size primer: A guide for clinicians and researchers. Professional Psychology: Research and Practice, 40(5), 532-538. doi:10.1037/a0015808
Franchini, E., Brito, C. J., & Artioli, G. G. (2012). Weight loss in combat sports: Physiological, psychological and performance effects. Journal of the International Society of Sports Nutrition, 9 doi:10.1186/1550-2783-9-52
Garthe, I., Raastad, T., Refsnes, P. E., Koivisto, A., & Sundgot-Borgen, J. (2011). Effect of two different weight-loss rates on body composition and strength and power-related performance in elite athletes. International Journal of Sport Nutrition and Exercise Metabolism, 21(2), 97-104. doi:10.1123/ijsnem.21.2.97
Grissom, R. J., & Kim, J. J. (2005). Effect Sizes for Research: A Broad Practical Approach, Retrieved from www.scopus.com
Gwacham, N., & Wagner, D. R. (2012). Acute effects of a caffeine-taurine energy drink on repeated sprint performance of american college football players. International Journal of Sport Nutrition and Exercise Metabolism, 22(2), 109-116. doi:10.1123/ijsnem.22.2.109
Hibbs, A. E., Thompson, K. G., French, D., Wrigley, A., & Spears, I. (2008). Optimizing performance by improving core stability and core strength. Sports Medicine, 38(12), 995-1008. doi:10.2165/00007256-200838120-00004
Hofstetter, M. -., Ma ̈ Der, U., & Wyss, T. (2012). Effects of a 7-week outdoor circuit training program on swiss army recruits. Journal of Strength and Conditioning Research, 26(12), 3418-3425. doi:10.1519/JSC.0b013e318245bebe
John, C. T., Seth, A., Schwartz, M. H., & Delp, S. L. (2012). Contributions of muscles to mediolateral ground reaction force over a range of walking speeds. Journal of Biomechanics, 45(14), 2438-2443. doi:10.1016/j.jbiomech.2012.06.037
Kawamori, N., Nosaka, K., & Newton, R. U. (2013). Relationships between ground reaction impulse and sprint acceleration performance in team sport athletes. Journal of Strength and Conditioning Research, 27(3), 568-573. doi:10.1519/JSC.0b013e318257805a
Kim, K. -. (2010). Effects of core muscle strength training on flexibility muscular strength and driver performance in female professional golfers. Int J Appl Sports Sci, 22(1), 111-127. Retrieved from www.scopus.com
Kubo, T., Hoshikawa, Y., Muramatsu, M., Iida, T., Komori, S., Shibukawa, K., & Kanehisa, H. (2011). Contribution of trunk muscularity on sprint run. International Journal of Sports Medicine, 32(3), 223-228. doi:10.1055/s-0030-1268502
Learman, K., Pintar, J., & Ellis, A. (2015). The effect of abdominal strength or endurance exercises on abdominal peak torque and endurance field tests of healthy participants: A randomized controlled trial. Physical Therapy in Sport, 16(2), 140-147. doi:10.1016/j.ptsp.2014.08.009
Lockie, R. G., Jalilvand, F., Callaghan, S. J., Jeffriess, M. D., & Murphy, A. J. (2015). Interaction between leg muscle performance and sprint acceleration kinematics. Journal of Human Kinetics, 49(1), 65-74. doi:10.1515/hukin-2015-0109
Lubans, D. R., Morgan, P., Callister, R., Plotnikoff, R. C., Eather, N., Riley, N., & Smith, C. J. (2011). Test-retest reliability of a battery of field-based health-related fitness measures for adolescents. Journal of Sports Sciences, 29(7), 685-693. doi:10.1080/02640414.2010.551215
Mathisen Gunnar, E., & Svein, A. P. (2015). The effect of speed training on sprint and agility performance in female youth soccer players. Journal of Physical Education and Sport, 15(3), 395-399. doi:10.7752/jpes.2015.03059
Murphy, A. J., Lockie, R. G., & Coutts, A. J. (2003). Kinematic determinants of early acceleration in field sport athletes. Journal of Sports Science and Medicine, 2(4), 144-150. Retrieved from www.scopus.com
Nimphius, S., McGuigan, M. R., & Newton, R. U. (2010). Relationship between strength, power, speed, and change of direction performance of female softball players. Journal of Strength and Conditioning Research, 24(4), 885-895. doi:10.1519/JSC.0b013e3181d4d41d
Orr, R. M., Caust, E. L., Hinton, B., & Pope, R. (2018). Selecting the best of the best: Associations between anthropometric and fitness assessment results and success in police specialist selection. Int.J.Exerc.Sci, 11(4), 785-796. Retrieved from www.scopus.com
Perez-Gomez, J., Rodriguez, G. V., Ara, I., Olmedillas, H., Chavarren, J., González-Henriquez, J. J., . . . Calbet, J. A. L. (2008). Role of muscle mass on sprint performance: Gender differences? European Journal of Applied Physiology, 102(6), 685-694. doi:10.1007/s00421-007-0648-8
Sato, K., & Mokha, M. (2009). Does core strength training influence running kinetics, lower-extremity stability, and 5000-m performance in runners? Journal of Strength and Conditioning Research, 23(1), 133-140. doi:10.1519/JSC.0b013e31818eb0c5
Stöggl, T., Enqvist, J., Erich, M., & Holmberg, H. -. (2010). Relationships between body composition, body dimensions, and peak speed in cross-country sprint skiing. Journal of Sports Sciences, 28(2), 161-169. doi:10.1080/02640410903414160
Thalheimer, W., & Cook, S. (2002). How to calculate effect sizes from published research articles: A simplified methodology. How to Calculate Effect Sizes from Published Research Articles: A Simplified Methodology, Retrieved from www.scopus.com
Uth, N. (2005). Anthropometric comparison of world-class sprinters and normal populations. Journal of Sports Science and Medicine, 4(4), 608-616. Retrieved from www.scopus.com
Van Den Tillaar, R., & Saeterbakken, A. H. (2018). Comparison of core muscle activation between a prone bridge and 6-RM back squats. Journal of Human Kinetics, 62(1), 43-53. doi:10.1515/hukin-2017-0176
Willardson, J. M. (2007). Core stability training: Applications to sports conditioning programs. Journal of Strength and Conditioning Research, 21(3), 979-985. doi:10.1519/R-20255.1