Inclusion Criteria:  18-65 years Score between 0,5 and 3,5 according to CSS (clinical severity rating) Score between 3 and 5 according to FAS (functional ambulation scale) Being included in the surgical group the patient has undergone unilateral or bilateral scapulothoracic arthrodesis surgery  Exclusion Criteria:  Presence of lower extremity orthopedic problems/problems that can cause balance and walking problems Presence of any other upper limb orthopedic problems/problems and surgery Having undergone Spinal fusion surgery Presence of additional neurological problems/problems Having a level of visual and auditory problems that will prevent communication