小区里开辟了一个健身园。我想这是要让男女老少都有机会利用器械来锻炼身体,好事。但发现这里的单双杠下面都是一片釉面的地砖,随着想起附近小学校的操场,单双杠下是与旁边没什么两样的水泥地;小学生立定跳远也就在硬地上练习和比赛。我于体育是个外行,几十年不进体育场了。但我记得小时候,学校里操场上,单双杠下面或是铺的一块帆布厚垫,或者索性是一方沙坑,从杠上跳下来,无论落在布垫上、沙坑里,都有一定的弹性,而没有蹲挫腿脚的危险。半个多世纪过去了。现在许多项体育竞技的规则都有了不少的修改,我不知道例如单双杠项目,是不是要求更严格,必须跳落在硬地上了?偶尔从电视上看到体育场馆里的技巧表演,像高低杠之 Community opened up a fitness park. I think this is to make all men and women have the opportunity to use the equipment to exercise their health and good deeds. However, it was found that the single parallel bars below here were glazed floor tiles. With the playground of the nearby primary schools, there were no different concrete areas beside the parallel bars. The primary students set foot long distances and practiced and competed on hard ground. I am a layman in sports, do not go to the stadium for decades. But I remember when I was a kid, school playgrounds, single parallel bars or paved with a thick piece of canvas, or simply a bunker, jumped from the bar, whether in the cloth pad, the bunker, there is a certain flexibility Without the risk of squatting legs and feet. More than half a century has passed. Nowadays many sports athletics rules have been revised quite a lot. I do not know whether single-parallel bars projects, for example, require more stringent requirements and must be on the verge of falling hard. Occasionally, we can see on television the skills performances in sports venues, Like the uneven bars