推荐回答（2个）
根据“少林七十二绝技”原文记载： 铁头功 铁头功为硬功外壮，属阳刚之劲，兼内壮之气。铁头功分顶门、前额、后脑三部，虽用外壮之力，坚练其筋骨，然亦须运身内之力与气，气与神，充满脑房，互相为用，殆克有成；否则徒持外壮之力，而无内壮之劲，则虽能成，亦下乘耳。练习之时，以软帛束首，使围绕至数十匝，外面更以软铁片周匝之一二层，然后将头向墙壁上顶撞之，每日行若 干次。练时须提气充脑，初时不必猛力顶撞，盖骨未坚而脑易伤也，即所以缠帛于首者亦以此故。待练稍久逐渐加重，而顶撞之次数，亦随之加增。勤习一年，则初步功成，将所束之帛，减少二三层；然后再如法练习之，逾百日，更减帛二三层，愈进步而帛之层数愈减少。至一年之久，以至于完全除去，则第二步功成。而以首与墙壁直接顶撞，初时亦颇苦恼，行之日久，逐渐不觉时，则头与砖头同其坚硬，而全功成矣。若用拳法中之头、肘势以撞人( 即俗所谓撞羊头)，当之者无不立毙。功之最深者，头坚于石，触石立碎；触铁板亦能深陷，法无敌矣。但亦须精心勤习，闲即坐功，以澄心静气功，使屏除杂念，则脑海如大自然界，即俗所谓修性，然后练功，则不难臻于绝境也。此种功夫，并不希罕，江湖卖解之流，每习之，如油锤贯顶，双龙入海，砸砖等技，即铁头功也。且此种功夫，为自卫防身之技，较阴手伤人之术，为有益也，况易于进功耳。 参考资料：《少林武术大全》
国家体委武术教学大纲明确规定 不满十八岁的青少年不准练象；铁头功等有损青少年身心健康的硬气功功法 各地市武术馆校 有关部门及个人也不得传授------、。所以你若未满十八岁千万不要练此功法。若你是成年人最好把它当成一项娱乐活动 不要专门花钱去学 你若有兴趣 象油锤贯顶这样的表演 我一分钟就教会你了 你只要记住我说的要领就行了 记好 ；闭口藏舌“舌顶知字、后面大牙咬紧 马步站好 身正腰直 头正项直 下巴微内收同时头上顶 然后有助手取四块机制红砖(砖面要平整 最好用时两块砖砖面向对 先摩擦几下 以求两块砖之间缝隙更小）放到你头顶上 你双手辅助 使砖不左右歪斜 并且双手微微用劲下垂 使砖更贴紧头顶 。剩下的就是助手拿油或在另外找一块结实砖头开砸了 砸时要喊一、二、三、喊三字的时侯砸下去 成功。助手砸下去的同时 你要咬牙 锁双眉 鼻发哼声 注意千万千万不可用手上托砖。头开钢板 动作要领一样 不一样的就是你自己双手握钢板 在自己头上摔开 （不用怕头上开的钢板都是特制 专门用于表演用的脆钢 一碰就断 象头上开棍 动作要领也一样（棍也一样是专门用于表演用的空心沙眼脆棍）呵呵不用怕 照我说的就没错 我是这方面的专业 内行人士
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