The Effect of Postural Restoration Institute Training on Selected Kinematic Variables of Lower Limbs and Pelvis During Walking in Middle-Aged Men With Nonspecific Chronic Low Back Pain: A Prospective Observational Study - Salimi, Ali; Sadeghi, Heydar; Memar, Raghad; Sadeghi-demneh, Ebrahim (Faṣlnāmah-i ʻilmī-pizhūhishī-i, 2024)