Investigation of the Effects of Inspiratory Muscle Training on Patients With Mechanical Low Back Pain.

Inclusion Criteria: * To be between the ages of 18-65 * Applying to the physical therapy unit with the diagnosis of mechanical low back pain (Lumbal disc herniation, spinal stenosis, spondylolisthesis, facet joint pain, discogenic pain, sacroiliac joint pain, myofascial pain, lumbar osteoarthrosis) * Ability to adapt to exercise commands and understand assessment questions * Volunteering to participate in research Exclusion Criteria: * Those with cooperation and communication problems * Complaining of acute or chronic musculoskeletal pain other than low back pain * Having a chronic disease (hypertension, diabetes, chronic obstructive pulmonary disease (COPD), previous cerebrovascular accident (CVO), heart, neurological and rheumatological problems) * Sequestrated and extruded hernia * Receiving physical therapy in the last 2 months * Having a history of recent surgery (spine, abdomen, upper and lower extremity surgeries) * Being obese (Body mass index ≥30 kg/m2) * Contagious and vascular diseases