
Keywords: مقیاس فاجعه آمیز درد; Diaphragm; Manual therapy; Rehabilitation; FABQ; Fear-Avoidance Beliefs Questionnaire; HADS; Hospital Anxiety and Depression Scale; LBP; low back pain; MCID; minimal clinically important difference; NS-CLBP; chronic nonspecific low back pain; ODI; Oswestr