of age and sex development degree,and rectilinear correlative analysis showed that there are positive correlation between each sex hormone and each physical devel- opment sign.The results indicated that the sex hormone increase sharply in puberty,not only de- termine sex development,but also ...
This finding agrees with the results previously reported in children and adolescents11,28. Moreover, it was reported that sex differences in physical fitness (i.e. cardiorespiratory fitness, muscular strength, and speed-agility) are detectable as early as preschool age29. Distinct development, ...
During 1985 a survey of the physical growth of 175290 Chinese children less than 7 years in age was undertaken in the urban and rural areas of ten provinces. The results of weight, height; and head circumference are similar to those generally found as regards the differences between boys and...
Sampasa-Kanyinga [17] reported that a low level of PA is closely related to high levels of negative psychosocial responses (e.g., anxiety, depression, stress, negative affect, and distress) among children and youth. Not surprisingly, other studies found that a high level...
COVID-19 in the paediatric population of Kazakhstan Background: To date, there have been no studies of COVID-19 infection in children in Central Asia, particularly the Republic of Kazakhstan. This report ana... I Fakhradiyev - 《Paediatrics & International Child Health》 被引量: 0发表: 202...
child healthpublic healthsocioeconomic statusWe aimed to assess one-year changes in physical fitness, health-related quality of life (HRQoL) and body mass index (BMI), encompassing the 2020 COVID-19 UK lockdowns. Data were collected (October 2019, November 2020) from 178 8-10-year-olds in...
Children’s physical fitness development and related moderating effects of age and sex are well documented, especially boys’ and girls’ divergence during puberty. The situation might be different during prepuberty. As girls mature approximately two years earlier than boys, we tested a possible conve...
Veldman SLC, Chin A Paw MJM, Altenburg TM. Physical activity and prospective associations with indicators of health and development in children aged <5 years: a systematic review. Int J Behav Nutr Phys Act. 2021;18(1):6. doi:10.1186/s12966-020-01072-wPubMedGoogle ScholarCr...
Nutritional status and heavy exercise training are only 2 of the major influences on the linear growth of children. In the United States, nutritional deficits result from self-induced restriction of energy intake. That single factor, added to the marked energy expenditure of training and competition...
5913 Zhejiang children, aged from 5 to 18, have been measured in 1951. The measurements applied consist of stature, body weight, span, sitting height, trunk height and 3 chest circumferences taken in statical, inspiratory and expiratory states. The statistical constants have been tabulated and an...