Impact of a Physical Activity Program on Bone Mineral Density in Children and Adolescents With Chronic Inflammatory Bowel Disease

Exclusion Criteria

• •At time of inclusion, acute intercurrent events which may lead to a decrease in physical activity (according to the judgment of the investigator) as fractures, recent arthritis, ano-perineal lesions, severe dermatological lesions.
• •Chronic, acute or intermittent diseases (other than IBD) that may lead to a decrease in physical activity.
• •Refusal of the child to participate to the protocol.
• •Refusal of one of the child's parents to participate in the protocol.
• •Predictable lack of compliance to study procedures (especially to the physical activity program).
• •Child with visual impairment.
• •Participation in another interventional study.
• •Pregnant or lactating women.
• •Patient under protection of justice.