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作者对瑞典30名少女游泳运动员作了10年追踪观察(1961～1971年)。对象:1961年检查时平均年龄12.9岁(12～16岁)。来自4个俱乐部(A、B、C、D),其中B俱乐部有9名成绩最好,有1～2名曾参加过奥林匹克竞赛。先后进行5次检查:1961年检查30名,都是经过2.5年紧张训练的游泳运动员;1963年仅检查9名,其中8名仍参加训练;1965年检查30名,仅5人仍参加训练;1968、1971两年都检查30名,都停止了训练。停止训练时间平均为7.5年,停止训练的年龄平均为16.6岁。停止训练后大多从事坐着工作。检查项目:肺总量,肺活量,功能残气量,残气量,心容积,总血红蛋白。血容量,最大耗氧量,最大通气量,心率,最高乳酸浓度,身高,体重等13个项目。结果:在10年间身高平均增加4cm,体重增加5
The author made a follow-up observation of 30 girls swimmers in Sweden for 10 years (1961-1971). Subjects: The average age at examination in 1961 was 12.9 years (12 to 16 years). From 4 clubs (A, B, C, D), of which B had 9 best results and 1 or 2 had participated in the Olympic competitions. There were 5 checks in a row: 30 in 1961, all after 2.5 years of intense training of swimmers; in 1963, only 9 were inspected, of whom 8 were still training; 30 in 1965 and only 5 were still training; 1968, 1971 check 30 in both years, have stopped training. The average time to stop training was 7.5 years and the average age for stopping training was 16.6 years. After stopping training mostly engaged in work. Check items: total lung capacity, vital capacity, functional residual capacity, residual volume, cardiac volume, total hemoglobin. Blood volume, maximum oxygen consumption, maximum ventilation, heart rate, maximum lactate concentration, height, weight and other 13 items. Results: In 10 years the average height increased 4cm, weight gain 5