Ultrasonographic Evaluation of Abdominal Muscle Thickness Symmetry and Correlation With Pulmonary Function

Inclusion Criteria: * Cobb angle over 10 degrees in radiological evaluation * Between the ages of 10-18 and diagnosed with AIS by a specialist physiatrist Exclusion Criteria: * History of previous spinal surgery * Patients using brace * Those with any diagnosis of scoliosis other than AIS * Those with a history of neuromuscular disease * Previous spinal surgery * Patients with neurological deficits on examination * Patients with acute or chronic lung pathology * Patients with abdominal surgery or injury * Double curve or multiple curve * Patients with concomitant chronic diseases * The child's legal guardian does not allow it to take the tests The control group: * 10-18 volunteer adolescents without any health problems, * In clinical evaluation: Healthy adolescents (without any asymmetric findings on three-way inspection, Adam's forward bend test and scoliometer) were included.