Mahmood, Dina, and Hameed Abdulnebi. “The Effect of Hypoplank Exercises on Muscular Endurance in Men Aged 35-40 Years Old”. Journal of Physical Education, vol. 34, no. 2, June 2022, pp. 132-8, https://doi.org/10.37359/JOPE.V34(2)2022.1272.