這個案例是說 全罩安全帽 不是首選嗎 - 機車
By Lucy
at 2015-01-25T23:20
at 2015-01-25T23:20
Table of Contents
求強者回答
好像全罩的不是最好
http://winner.1111.com.tw/article_content.asp?ano=45325
阿梅三個月前騎機車和汽車產生擦撞,當下身體沒有什麼大礙,但全罩式安全帽的帽緣似
乎擠壓到頸部,造成了頸部局部腫脹。最近,阿梅開始覺得右手、右腳變得無力,右眼的
視力也變差,動不動就覺得頭暈目眩,快要昏倒。
經過核磁共振檢查,發現她右側的頸動脈整個剝離,頸動脈狹窄程度幾近百分之九十九
,已到了無法接通的狀況,只能以另外接血管的方式改善症狀。阿梅萬萬沒想到,選錯安
全帽的後遺症居然會這麼大!
在我們國家還沒有制定騎機車要戴安全帽的法律之前,機車騎士的頭部都沒有得到該有的
保護,動輒有車禍頭部外傷、腦部出血的情況。後來法律明文規定騎車要戴安全帽,雖然
是個很好的德政,但也衍生出其他問題。
脖子的七節頸椎與附近肌肉群的主要作用在於支撐頭部。戴上過重的安全帽之後,不但
頭部的重量增加,頸椎、肌肉群的負擔也會加重。臨床上因為脖子、肩膀、上肢、肩胛骨
持續疼痛,而前來就診的患者當中,機車族就佔了一成到兩成左右,這多是因為戴過重的
安全帽,導致頭部重量增加而造成頸部負擔。
一旦發生車禍,問題就不只頸背痠痛而已。戴上過重的安全帽之後,如果遭受撞擊,力
道會集中在頸部,以致於頭部雖然得到保護,頸部卻容易受到嚴重的傷害。
究竟要如何保護頭部,又顧慮到頸部?一般來說,全罩式安全帽看起來堅固、帥氣又拉
風,但視野受到干擾,無法看清周遭的行車環境,保護力並沒有比較好;加上它的重量太
重,會對頸椎形成過度負擔。臨床上也碰到不少戴全罩式安全帽發生車禍的案例,這些案
例多半在車禍撞擊時,因為安全帽下方的堅硬材質撞擊到脖子,造成嚴重的頸動脈剝離。
所以,一般不建議大家戴全罩式安全帽。
那麼又該怎麼選擇安全帽呢?原則很簡單。
1.以半罩式安全帽為佳。半罩式安全帽的重量較輕,相較於全罩式安全帽,比較不會對脖
子造成過度負擔或傷害。
2.戴起來安全、舒適。安全帽的大小要符合自己的頭型。偶爾在路上看到女性戴很大的安
全帽,這樣不但容易掉,衝撞後的力道反而對頭會有更大的傷害。
3.符合國家安全標準規格。有國家認證檢驗,才有最基本的保障。
4.注意保存期限。如果超過保存期限,安全帽內的材質可能會產生質變或脆化,導致保護
效果不佳。
買了合格的安全帽之後,也要搭配合宜的配戴,才能發揮保護力。戴安全帽太緊、太鬆
都不好。戴太緊會影響血液循環;戴太鬆一遇撞擊,安全帽可能鬆脫,甚至飛了出去。最
恰到好處的戴法就是剛好服貼脖子。
另外,騎車時間也是機車騎士要注意的地方。脖子長時間固定在同一個姿勢,肌肉群與
椎間盤都會處在緊繃、甚至痙攣的狀態。通常,只要騎車超過半小時,脖子就會開始不舒
服,這時候就該先停一下休息了。
外縣市工作的通勤族最好選擇大眾交通系統做為通勤工具,如果非得騎機車上下班,那
麼時間也請控制在半小時內。如果車程時間遠大於此,最好半小時、最多一小時就要停下
車來,伸展、紓緩一下脖子與肩頸,讓脖子肌肉能得到適當的休息,比較不會造成頸椎以
及附近肌肉的負擔。
機車帶給我們交通上的便利,卻也可能成為脖子、肩膀痠痛,甚至傷害的主因。選一頂
合適的安全帽,保護頭部安全,也避免對頸椎造成傷害;加上控制騎車時間,讓脖子適當
休息,就能當個開心、安全的機車騎士!
--
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