Iman Kadhum Al-temimi, and Muna Talib Al-badry. “The Effect of Muscle Stretching Exercises on Some Physiological Variables of Swimming Practices at the Age of (35-40) Years”. Modern Sport, vol. 22, no. 1, Mar. 2023, p. 0001, https://doi.org/10.54702/ms.2023.22.1.0001.