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女子的形态和机能有很多特点,青春发育后,这些特点更为明显,因此参加运动时应当照顾这些特点。一、女性青春发育在青春发育前,男女孩的性别差异不明显,参加运动时无需考虑过多。青春期一般定为10-20岁。女孩进入青春发育期比男孩大约早二年。女孩的月经初潮标志着青春期的开始。在青春发育期内,形态、机能、心理和行为方面都发生一系列的突变。9-10岁以前,在身高、体重、胸围等发育指标方面,女孩低于同年龄的男孩,9-10岁以后女孩的各项指标超过了同年龄的男孩,即女孩的突增期比男孩早二年。14-16岁以后,男孩各项发育指标赶上并超过了女孩。但男女青春期机能的发育曲线不出现上述交叉现象。例如,男孩的肺活
Women’s shape and function have many characteristics, these characteristics are more obvious after adolescence, so participate in sports should take care of these characteristics. First, the female youth development Before adolescent development, male and female gender differences are not obvious, to participate in exercise without thinking too much. Adolescence is generally set at 10-20 years old. Girls enter puberty about two years before boys. The girl’s menarche marks the beginning of adolescence. During puberty, a series of mutations occur in morphology, function, psychology and behavior. Before age 9-10, girls were lower than boys of the same age in terms of height, weight, bust, and other indicators of development. After the age of 9-10, girls outnumber boys of the same age, Two years earlier. After the age of 14-16, the boy’s developmental indicators catch up with and surpass the girls. However, the developmental curves of puberty in men and women do not show the above crossover phenomenon. For example, the boy’s lungs live