The primary aim of this study is to compare the respiratory function, respiratory muscle strength, functional capacity, and lower extremity strength of children with asthma and healthy children in the same age group. The secondary aim of our study is to determine the determinants of functional capacity in children with asthma.

Asthma Group Inclusion Criteria:

• Being between the ages of 6-17
• Being diagnosed with asthma
• Able to walk, cooperate and clinically stable
• Being a volunteer to participate in the study
• To be able to speak, read, understand, and cooperate in Turkish

Asthma Group Exclusion Criteria:

• History of previous lung or liver transplant
• Having an acute exacerbation and/or a history of hospitalization in the last 1 month
• Having diagnosed orthopedic problems affecting mobility or a history of musculoskeletal surgery

Control Group Inclusion Criteria:

• Being between the ages of 6-17
• To be able to speak, read, understand, and cooperate in Turkish
• Being a volunteer to participate in the study

Control Group Exclusion Criteria:

• Having a diagnosed vision, hearing, or neurological disease that may affect balance
• Having any other neurological, orthopedic, cardiovascular, thoracic, or metabolic disease or pathological condition that would affect assessments
• Resting saturation below 90% during exercise tests

Children with asthma aged between 6-17 years and healthy children aged between 6-17 years will be included in the study. Informed consent forms for the study prepared for both the asthma group and the control group will be carefully explained and the participants will be included in the study after they and their parents have read, understood, and accepted.