Mahdavi E, Rezasoltani A. The Reliability of Ultrasound Imaging in measuring the Thickness of Lumbar Multifidus Muscle in Gymnastics Athletes with Sway-Back and Normal Posture. J Clin Physiother Res [Internet]. 2017 Mar. 28 [cited 2025 May 12];2(2):55-60. Available from: https://journals.sbmu.ac.ir/physiotherapy/article/view/13570