体育学刊 关键词：男性青少年； 骨密度； 下肢跳跃能力； 运动训练 [gap=1606]Key words:male adolescent; bone mineral density; jump power of the inferior limb; sport training
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结论男性青少年青春发育年龄有提前倾向。
Conclusion The development age of adolescent boys was in advance.
然而，男性青少年在所有国家中，既是实施杀人的主体，同时也是杀人受害者。
However, in all countries, young males constitute both the majority of perpetrators and victims of homicide.
目的：调查不同运动类型和运动强度对男性青少年前臂骨矿状态的影响。
AIM: To investigate the influence of different exercise type and exercise intensity on the bone mineral status in male adolescents.
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