在泳池最怕聽到的教學語 - 游泳討論

By Donna
at 2006-05-17T16:23
at 2006-05-17T16:23
Table of Contents
就是對初學者說:「身體放輕鬆,自然會浮起來」這句!
對初學者而言,這句話是不切實際的
若他們在水中能放輕鬆,還會怕水嗎?
以科學觀點,身體放輕鬆只能增加浮力,但不一定會浮起來
因為人的密度接近水,並非小於水,因此放至最輕鬆時,還是會沉下去的!
即使是浮力佳的女生,難道她能浮在水中睡覺嗎?
似乎沒人能在水中睡覺,因此證明人終究會沉下去的!
人在水中能浮起來換氣,是靠胸腔的氣(最主要)及swim動作配合。
即使是對同一個人而言,體力好時跟體力差時,
浮力之運用還是有差別的,
否則救生員班不會使用大量的操練來滅絕學員們的傲氣
讓他們學會尊重水的力量。
所以,我對初學者,我從不會叫他們放輕鬆,因為他們做不到!
但對於有點基礎的人,這句話倒是可以成立。
--
對初學者而言,這句話是不切實際的
若他們在水中能放輕鬆,還會怕水嗎?
以科學觀點,身體放輕鬆只能增加浮力,但不一定會浮起來
因為人的密度接近水,並非小於水,因此放至最輕鬆時,還是會沉下去的!
即使是浮力佳的女生,難道她能浮在水中睡覺嗎?
似乎沒人能在水中睡覺,因此證明人終究會沉下去的!
人在水中能浮起來換氣,是靠胸腔的氣(最主要)及swim動作配合。
即使是對同一個人而言,體力好時跟體力差時,
浮力之運用還是有差別的,
否則救生員班不會使用大量的操練來滅絕學員們的傲氣
讓他們學會尊重水的力量。
所以,我對初學者,我從不會叫他們放輕鬆,因為他們做不到!
但對於有點基礎的人,這句話倒是可以成立。
--
Tags:
游泳
All Comments

By Jessica
at 2006-05-21T01:55
at 2006-05-21T01:55

By Quanna
at 2006-05-24T13:48
at 2006-05-24T13:48

By Gilbert
at 2006-05-24T18:34
at 2006-05-24T18:34

By Hazel
at 2006-05-28T13:23
at 2006-05-28T13:23

By Susan
at 2006-06-01T04:16
at 2006-06-01T04:16

By Irma
at 2006-06-03T05:11
at 2006-06-03T05:11

By Olga
at 2006-06-07T11:07
at 2006-06-07T11:07

By Charlie
at 2006-06-09T08:13
at 2006-06-09T08:13

By Robert
at 2006-06-12T11:42
at 2006-06-12T11:42

By Damian
at 2006-06-14T00:17
at 2006-06-14T00:17

By Una
at 2006-06-14T17:00
at 2006-06-14T17:00

By Christine
at 2006-06-17T03:59
at 2006-06-17T03:59

By Jessica
at 2006-06-22T02:06
at 2006-06-22T02:06

By Olive
at 2006-06-25T06:23
at 2006-06-25T06:23

By Madame
at 2006-06-27T09:44
at 2006-06-27T09:44

By Una
at 2006-06-28T17:00
at 2006-06-28T17:00

By Blanche
at 2006-07-03T11:13
at 2006-07-03T11:13
Related Posts
請問游泳時配戴隱形眼鏡妥當嗎?

By Kyle
at 2006-05-17T16:09
at 2006-05-17T16:09
5/21福隆海上長泳活動取消

By Ursula
at 2006-05-17T00:29
at 2006-05-17T00:29
如果您剛好是亞力山大健康休閒俱樂部的會員......

By Olivia
at 2006-05-16T23:27
at 2006-05-16T23:27
請問新竹市水上救生協會的網站到哪去了

By Lucy
at 2006-05-16T22:06
at 2006-05-16T22:06
蛙式換氣的問題

By Dorothy
at 2006-05-16T15:46
at 2006-05-16T15:46