Reliability of International Fitness Scale (IFIS) in Chinese Children and Adolescents.
Ran BaoSi-Tong ChenKaja KastelicClemens DrenowatzMing Hui LiJialin ZhangLei WangPublished in: Children (Basel, Switzerland) (2022)
The International Fitness Scale was found to have moderate reliability in the assessment of (self-reported) physical fitness in Chinese children and adolescents. In the future, the validity of the IFIS should be urgently tested in Chinese subgroup populations.