Editorial

1. Addressing the public health concerns of physical inactivity,low levels of fitness and unhealthy weight among Chinese school-aged children

Commentary

1. Physical activity,physical fitness and body mass index in the Chinese child and adolescent populations:An update from the 2016 Physical Activity and Fitness in China—The Youth Study
2. Improving school physical education to increase physical activity and promote healthy grow th of Chinese school-aged children—Time for action Dengfeng Wang
3. Step it up:Promoting physical activity in school-aged children and adolescents in China Barbara E.Ainsworth

Original article

1. Prevalence of physical fitnes in Chinese school-aged children:Findings from the 2016 Physical Activity and Fitness in China—The Youth Study
2. Overweight,obesity,and screen-time viewing among Chinese school-aged children:National prevalence estimates from the 2016 Physical Activity and Fitness in China—The Youth Study
3. Associations between parental support for physical activity and moderate-to-vigorous physical activity among Chinese school children:A cross-sectional study
4. School and community physical activity characteristics and moderate-to-vigorous physical activity among Chinese school-aged children:A multilevel path model analysis
5. Empowering youth sport environments:Implications for daily moderate-to-vigorous physical activity and adiposity
6. Correlates of long-term physical activity adherence in women
7. The Wingate anaerobic test cannot be used for the evaluation of grow th hormone secretion in children with short stature
8. The effects of aerobic exercise training on oxidant-antioxidant balance, neurotrophic factor levels, and blood-brain barrier function in obese and non-obese men
9. What is the most effective exercise protocol to improve cardiovascular fitnes in overweight and obese subjects?†
10. The influenc of different exercise intensities on kicking accuracy and velocity in soccer players
11. Heart rate variability to assess ventilatory thresholds in professional basketball players
12. Tribulus terrestris extracts alleviate muscle damage and promote anaerobic performance of trained male boxers and its mechanisms:Roles of androgen,IGF-1,and IGF binding protein-3
13. Shock attenuation,spatio-temporal and physiological parameter comparisons between land treadmill and water treadmill running
14. Three-dimensional impact kinetics with foot-strike manipulations during running

Case report

1. Footfall patterns of a runner with an Achilles tendon rupture