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幼儿身体的各器官、组织尚未发育成熟,有着许多和成年人不同的解剖生理特点,因此,有一些运动项目是不适合他们参加的。 一、不宜长跑。长跑是一项肌肉负荷锻炼。幼儿进行长跑,会使心肌壁厚度增加,限制心腔扩张,影响心肺功能发展。其次,幼儿时期体内水分占的比重较大,蛋白质及无机物的含量较小,肌肉力量薄弱,若参加大能量消耗的长跑运动,会使营养入不敷出,
Children’s organs and tissues are not yet mature and have many different anatomical and physiological characteristics. Therefore, some sports are not suitable for them. First, not long-distance running. Long-distance running is a muscle load exercise. Toddlers for long-distance running, will increase the myocardial wall thickness, limiting the expansion of the heart chamber, affecting cardiopulmonary function. Second, the proportion of body water in early childhood accounts for a larger proportion of protein and inorganic content is smaller, muscle strength is weak, if you participate in long-distance running energy consumption, will make the nutritional deficits,