Eligibility | Exclusion |
---|---|
Children and adolescents with a physical disability or chronic disease: cardiovascular, pulmonary, musculoskeletal or neuromuscular disorder Children and adolescents between the age of 10 and 19 years Children and adolescents have to understand simple instructions Children and adolescents are able to perform physical fitness tests | Children and adolescents with progressive diseases Children and adolescents using an electric wheelchair During the length of the study, children are not allowed to participate in other research projects which might influence the current study results For the sporting group of the HAYS-study only: subjects who have not participated in any sports for the preceding 3 months No signed informed consent |