rebound的感覺是假的

管他是好咖還是怪咖,只要是咖就能發言,有任何技術問題,在此討論就對啦。

版主: norman

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norman
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註冊時間: 週三 9月 24, 2008 8:55 pm

#41 回覆: rebound的感覺是假的

文章 norman » 週四 4月 26, 2012 11:11 pm

skier888 寫:你認爲他沒有嗎 :face (46):
我不認為他有,我的看法是,他只是滑往山上一瞬間利用向山上的力量收腳起來而已。

如同下面這動作往山上滑,只是一個是伸展,一個是收縮而已。

Learning to Ski: Carving skiing lesson - bergfex.com - YouTube


目前總滑天數80天。繼續累積中...我想滑雪。 :face (292): :face (292): :face (292):

滑雪人

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skier888
文章: 1962
註冊時間: 週日 3月 14, 2010 1:57 pm

#42 回覆: rebound的感覺是假的

文章 skier888 » 週四 4月 26, 2012 11:23 pm

norman 寫:我不認為他有,我的看法是,他只是滑往山上一瞬間利用向山上的力量收腳起來而已。
你可以切一個圖讓我看他什麽時候往山上滑馬 :face (46):

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norman
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#43 回覆: rebound的感覺是假的

文章 norman » 週四 4月 26, 2012 11:33 pm

skier888 寫:你可以切一個圖讓我看他什麽時候往山上滑馬 :face (46):
0:38~0:41秒,自己看囉。
目前總滑天數80天。繼續累積中...我想滑雪。 :face (292): :face (292): :face (292):

滑雪人

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skier888
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註冊時間: 週日 3月 14, 2010 1:57 pm

#44 回覆: rebound的感覺是假的

文章 skier888 » 週四 4月 26, 2012 11:36 pm

norman 寫:0:38~0:41秒,自己看囉。
我的影片長度不到12秒耶 :face (41):

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norman
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#45 回覆: rebound的感覺是假的

文章 norman » 週四 4月 26, 2012 11:42 pm

skier888 寫:我的影片長度不到12秒耶 :face (41):
向山上瞬間,不過我不覺得你看得出來耶。 :face (50):

圖檔
目前總滑天數80天。繼續累積中...我想滑雪。 :face (292): :face (292): :face (292):

滑雪人

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skier888
文章: 1962
註冊時間: 週日 3月 14, 2010 1:57 pm

#46 回覆: rebound的感覺是假的

文章 skier888 » 週四 4月 26, 2012 11:43 pm

norman 寫:向山上瞬間,不過我不覺得你看得出來耶。 :face (50):

圖檔
所以你認爲這是指像山上 :face (46):

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skier888
文章: 1962
註冊時間: 週日 3月 14, 2010 1:57 pm

#47 回覆: rebound的感覺是假的

文章 skier888 » 週四 4月 26, 2012 11:45 pm


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snowrider
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#48 回覆: rebound的感覺是假的

文章 snowrider » 週五 4月 27, 2012 12:54 am

norman 寫:我不認為他的問題是你說的這些,他只是上半身保持不夠正向穩定而已。

你也可以評下面這段是不是也up-and-down 般的 pop了?

Learning to Ski: Carving skiing lesson - bergfex.com - YouTube
這部片子的人滑的比他滑的好太多了 你知道為何我們一直在討論你的 pop-up? 中文意思就是那個 unweighting 是一種突兀的向上蹦起的動作 - 正確的應該是 smoothly switch 而不是 pop

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skier888
文章: 1962
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#49 回覆: rebound的感覺是假的

文章 skier888 » 週五 4月 27, 2012 2:26 am

snowrider 寫:http://www.goski.com.tw/forum/showpost. ... stcount=32

這個紅衣男為何會跌一大跤? 雖然他滑的遠比弱慢大師好 但是因為他還是有弱慢大師的嚴重缺點: up-and-down 般的 pop 並且加上他的後座問題 所以造成內側板 locked 而無法 release
:face (51): :face (343): :face (341):
He is in a period of break thru around this time. About the pop, please see my post.

http://www.goski.com.tw/forum/showpost. ... ostcount=1

Here he is pushing his limit on a high performance skis on a steep pitch with high edge angle, very fast.

About the back seat, sure, but that is not a static position. He is not back seat all the time. The situation he is in also caused it to be worst than it should be

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skier888
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#50 回覆: rebound的感覺是假的

文章 skier888 » 週五 4月 27, 2012 2:53 am

pku 寫:He should face the direction of travel. My eyes are not so good so can't really comment too detail.
To me, too much counter balance is not really a problem. Even it is, it is much easier to fix than to have not enough. What do you think?
pku 寫: He should face the direction of travel. My eyes are not so good so can't really comment too detail.
This is PMTS style skiing so there is some difference. There are several coaches present including HH and his wife when this video was taken.

B2L2
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#51 回覆: rebound的感覺是假的

文章 B2L2 » 週五 4月 27, 2012 3:09 am

Obvious to me that he built up a lot of pressure on the ski tail which later on pop and caught him unexpected. He wasn't rounding up his turn for speed controller and his speed kept increasing down the run.

For me, he seems to be on his back seat most of the time. What causing that, I think when he cross the ski, he cross it from side to side with not enough forward movement down the hill. He can't load the ski tip and always loading the ski tail instead.

What's the PMTS expert said? Is he practicing the (super) phantom move at that time?
最後由 B2L2 於 週五 4月 27, 2012 3:16 am 編輯,總共編輯了 1 次。

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skier888
文章: 1962
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#52 回覆: rebound的感覺是假的

文章 skier888 » 週五 4月 27, 2012 3:39 am

B2L2 寫:Obvious to me that he built up a lot of pressure on the ski tail which later on pop and caught him unexpected. He wasn't rounding up his turn for speed controller and his speed kept increasing down the run.

For me, he seems to be on his back seat most of the time. What causing that, I think when he cross the ski, he cross it from side to side with not enough forward movement down the hill. He can't load the ski tip and always loading the ski tail instead.

What's the PMTS expert said? Is he practicing the (super) phantom move at that time?
I think you are right on, PMTS or not, especially about the turn shape. He was practicing to get bigger age angle and this is the biggest he had gotten at that time. I guess you read my description about phantom move, it is always the default way to ski in PMTS. It is not a symmetric movement, e.g edge change is not simultaneous, whether others can see it or not will depend on the skill of the person performing.

pku
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#53 回覆: rebound的感覺是假的

文章 pku » 週五 4月 27, 2012 3:50 am

skier888 寫:To me, too much counter balance is not really a problem. Even it is, it is much easier to fix than to have not enough. What do you think?



This is PMTS style skiing so there is some difference. There are several coaches present including HH and his wife when this video was taken.
If it's a problem or not a problem , it all depend . For me , this kind of alignment thing on carving long radius turn is not easy for me to fix .

If you compare his with the picture by Barnes or even with hh there is some difference

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skier888
文章: 1962
註冊時間: 週日 3月 14, 2010 1:57 pm

#54 回覆: rebound的感覺是假的

文章 skier888 » 週五 4月 27, 2012 4:03 am

pku 寫:If it's a problem or not a problem , it all depend . For me , this kind of alignment thing on carving long radius turn is not easy for me to fix .

If you compare his with the picture by Barnes or even with hh there is some difference
What I mean is that it is the better of the two. It is easier to tone it down. Most people unable to have enough. This is if you are talking about PMTS "counter balance"

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snowrider
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#55 回覆: rebound的感覺是假的

文章 snowrider » 週五 4月 27, 2012 4:04 am

skier888 寫: ... About the back seat, sure, but that is not a static position. He is not back seat all the time. The situation he is in also caused it to be worst than it should be
skier888 - You can see his problem right from this snapshot:
圖檔

His backseat problem was actually caused by his weak inner upper body. His inner upper body sank.

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snowrider
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#56 回覆: rebound的感覺是假的

文章 snowrider » 週五 4月 27, 2012 4:11 am

B2L2 寫:Obvious to me that he built up a lot of pressure on the ski tail which later on pop and caught him unexpected. He wasn't rounding up his turn for speed controller and his speed kept increasing down the run.

For me, he seems to be on his back seat most of the time. What causing that, I think when he cross the ski, he cross it from side to side with not enough forward movement down the hill. He can't load the ski tip and always loading the ski tail instead.

What's the PMTS expert said? Is he practicing the (super) phantom move at that time?
B2L2 - you are right on! :face (332): :face (330):

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skier888
文章: 1962
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#57 回覆: rebound的感覺是假的

文章 skier888 » 週五 4月 27, 2012 4:19 am

snowrider 寫:skier888 - You can see his problem right from this snapshot:
圖檔

His backseat problem was actually caused by his weak inner upper body. His inner upper body sank.
I did acknowledge that the back seat problem. I am just saying he is not in the same back position all the time. I see that he is already at or beyond his limit before this frame. He will not be in this position if he rounded up the turn prior to this like B2L2 point out.

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skier888
文章: 1962
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#58 回覆: rebound的感覺是假的

文章 skier888 » 週五 4月 27, 2012 4:49 am

This is a good PMTS demo so that we see why people skiing certain way

Power Release - Short Arcs - YouTube

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snowrider
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#59 回覆: rebound的感覺是假的

文章 snowrider » 週五 4月 27, 2012 4:57 am

skier888 寫:This is a good PMTS demo so that we see why people skiing certain way

Power Release - Short Arcs - YouTube
你看這個 demo 就明顯地 smooth transition 而沒有那個紅衣男的 pop up. 當然這個 demo 有其它的問題存在譬如說他的 poling style 不是偶喜歡的

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skier888
文章: 1962
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#60 回覆: rebound的感覺是假的

文章 skier888 » 週五 4月 27, 2012 5:52 am

snowrider 寫:你看這個 demo 就明顯地 smooth transition 而沒有那個紅衣男的 pop up. 當然這個 demo 有其它的問題存在譬如說他的 poling style 不是偶喜歡的
There is a reason why I call it "demo". I think the pop up you are talking about is cause by the rebound (is why I post it here.) that he tried to recover from.

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