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借助哈佛台阶用 PWC_(170)和机能试验评价了学龄前儿童身体做功能力和最大吸氧量(VO_(2max))结果表明在4～7岁幼儿中 PWC_(170)和 VO_(2max)存在年龄和性别差异,即男童大于女童(P<0.01),且随年龄增长而增大。用逐步回归分析筛选对 PWC_(170)、VO_(2max)作用显著的因子,在身高、体重等15个因子中,能显著影响 PWC_(170),VO_(2max)的因素有体重、胸围、体表面积、血红蛋白、第二负荷末心率,但这些因子对两者的作用强度不同。本文研究结果提示借助台阶的 PWC_(170)机能试验用于学龄前儿童身体做功能力的评价是可行的。
The body function and maximum oxygen uptake (VO_ (2max)) of preschool children were evaluated by PWH_ (170) and mechanical tests with Harvard bench. The results showed that there were PWC_ (170) and VO_ (2max) in children aged 4 ~ 7 years Age and gender differences, ie boys were larger than girls (P <0.01), and increased with age. Stepwise regression analysis was used to screen for factors that significantly affected PWC 170 and VO 2max. Among the 15 factors, such as height and weight, PWC 170 and VO 2max significantly affected body weight, Surface area, hemoglobin, second load end point, but these factors on the strength of the two different. The results of this study suggest that it is feasible to use the step-by-step PWC 170 test to evaluate the body function of preschool children.