怎样突破身体极限
在家就可以练得 快的具体点 方法
推荐回答(5个)
这是无法做到的,所谓极限的概念,即是无法跨越的概念。科学家们通过大量研究数据揭开了人类无法超越的各种人体极限,下面列举五点人类无法突破的身体极限:
1、体温极限,身体能承受多低的体温
通常人体的体温一般都在37摄氏度。当体温降至36摄氏度时,反应和判断力就会削弱;当体温降至35摄氏度时,你将无法用笔写下自己的名字,甚至连走路都很困难;当体温降至33摄氏度时,你将会变得彻底失去理性。当人体核心体温降至32摄氏度时,大多数人都会虚脱;到达30摄氏度时,大多数人都会陷入昏迷。
当人体核心体温降至28摄氏度时,你的心跳将会心律失常;等体温降至20摄氏度时,心脏将会彻底停跳。
2、失血极限,失去多少鲜血不会死亡
一个健康的成人体内大约有3.8升到5.6升的血液。如果所失血液超过全身血液总量的15%,你的脉搏就会跳得更快,同时身体也会产生晕眩等不良反应。
当人体所失血液超过全身总量的40%时,人体血压将会变得太低,无法回流充满心房,心脏将会出现“心室性心博过速”症状,该症状通常会导致致命的后果。科学家认为,理论上人体可以失去全身50%的血液(约1.9到2.8升)而仍能存活下来。
3、速度极限,你的双腿能跑多快
自从电子计时器在 1968年使用以来,男子100米短跑纪录已经被刷新了多次,但这些纪录的差距通常也只有零点几秒而已,这意味着人体的双腿在能跑多快的问题上已经抵达了一个“极限区域”。
研究人员在上世纪70年代末通过实验发现,如果赛跑者跑完100米的速度快过9.6秒的话,达到这一速度所需的力道将会大到足以撕裂大腿肌腱,(但是,博尔特却跑出了9.58秒的世界纪录)所以人体奔跑的最快速度极限大约为每小时43.06公里。
4、电击极限,人能承受多大伏特的电击
通常当一毫安的电流通过人体时,就会产生麻刺等不舒服感觉;如果10毫安以上的电流通过人体,就会产生麻痹、剧痛、痉挛、血压升高、呼吸困难等症状,通过人体的电流如果超过200毫安,将会立即致人于死地。电流的大小是由电压和电阻决定的,人体表面的电阻越大,通过人体的电流就会越小,人体表面的电阻由于皮肤湿润或干燥原因也从1000欧姆到10万欧姆不等,所以致命的电压也从200伏到2万伏不等。通常一颗健康的心脏理论上在承受27000伏的电击后仍有幸存的机会。
5、噪音极限,耳膜能承受多大音量
音量的单位是分贝,研究发现,人体耳膜所能忍受的最大音量是160分贝,因为一旦超过这个数字后,人的耳膜将有可能被震裂。不过由于声音只是一种压力波,所以声音的大小几乎没有理论上的上限。
过响的声音可能导致人大小便失禁,甚至有可能导致人体内脏器官受到伤害。目前有史记载的最大声音是1883年印尼喀拉喀托火山喷发时发出的声音,当时记录下来的喷发爆炸声响高达180分贝,即使隔着160公里远。
做有氧运动,比如跑步,匀速跑圈,炮到两腿发颤,坚持。突然你觉得自己好像不那么累了,又有了力气可以继续跑下去了。恭喜你,突破了自己的极限。
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