The study was conducted in the age range of 18-45 December, who were diagnosed with Cystic fibrosis.

60 voluntary patients who have signed the consent form will be included. Within the scope of the research the demographic information of the individuals will be recorded. Functional capacities of individuals With the Shuttle Walking Test at Increasing Speed, respiratory functions respiratory function test, with measurements of respiratory November muscle strength and endurance, the level of dyspnea was Modified Medical Peripheral November muscle strength hand dynamometers with Research Council (mMRC) Dyspnea Scale posture assessment with the Corbin Posture Analysis Scale, trunk mobility with the Trunk Pelvis-Hip Angle Test, core stabilization with Sahrmann's Core Stability Test, individuals' perception of cosmetic deformity Walter Reed visual assessment questionnaires

Inclusion Criteria:

• Patients aged between 18-45 who were diagnosed with Cystic Fibrosis

Exclusion Criteria:

In the last year, patients;

• who had a fracture in any part of the patient's body
• who had undergone spine surgery
• who had an orthopedic, neurological or metastatic history in addition to Cystic Fibrosis

Patients referred by the department of chest diseases of Hacettepe University will be taken