Inclusion criteria were "Voluntary to participate in the study", "Getting consent from parents", "Being a child with cystic fibrosis between the ages of 10-18", "Having no psychological health problems", "No physical problems that would prevent the child from exercising" and "Computer/ owning a smart phone and being able to use these devices", "Having an internet connection at home".

The exclusion criteria were "Not volunteering to participate in the study", "Not being able to get consent from their parents", "Being under the age of 10 or over the age of 18 with a diagnosis of Cystic Fibrosis", "Having a psychological health problem", "Having a physical problem that prevents the child from exercising" and "Not having a computer/smart phone and not being able to use these devices" and "Not having an internet connection at home".

Exclusion criteria are "Not participating in the exercise regularly (at least 2 times)", "Not wanting to continue working out".

Inclusion criteria were "Voluntary to participate in the study", "Getting consent from parents", "Being a child with cystic fibrosis between the ages of 10-18", "Having no psychological health problems", "No physical problems that would prevent the child from exercising" and "Computer/ owning a smart phone and being able to use these devices", "Having an internet connection at home".

The exclusion criteria were "Not volunteering to participate in the study", "Not being able to get consent from their parents", "Being under the age of 10 or over the age of 18 with a diagnosis of Cystic Fibrosis", "Having a psychological health problem", "Having a physical problem that prevents the child from exercising" and "Not having a computer/smart phone and not being able to use these devices" and "Not having an internet connection at home".

Exclusion criteria are "Not participating in the exercise regularly (at least 2 times)", "Not wanting to continue working out".

Data collection tools were applied to the tele-exercise group and control group at the beginning of the study. For the tele-exercise group, by the researcher, Exp. A 6-week exercise program was created under the consultancy of a physiotherapist. Children who met the research criteria were asked to do these exercises for 20 minutes, 3 times a week for 6 weeks. The exercises were performed online with the researcher at the scheduled time one day a week, and by the children twice a week. On the days they exercised, diaries consisting of semi-structured questions were sent to the children's addresses by cargo and they were allowed to keep a diary. Phone calls were made once a week to provide motivation and increase compliance with exercise. A smart watch was sent to the children by cargo to increase motivation. The children were asked to fill in the follow-up form, which was sent via weekly google forms.

changing the quality of life of children with cystic fibrosis after tele-exercise program

affects the symptoms experienced by the children in the tele-exercise group during exercise.

The questionnaire prepared in a four-point likert type is scored according to frequency and difficulty level or whether the answers are correct or incorrect. It is thought that the higher the total score obtained from the questionnaire, the higher the health-related quality of life.