打球"手帶腰"-從認識蹬腿開始 - 桌球

By Andrew
at 2016-03-16T14:37
at 2016-03-16T14:37
Table of Contents
各位前輩的討論很精彩...
雖然想躬逢其盛,但原文已經太長
小弟就不加入推文嘉年華了...
我發文章以前盡力看了2~3遍雙方的立論,
如果還有偏頗誤解,請不吝指教。
--------------------------------- 正文 -------------------------------------
1. 主旨
(1) s大說的"小帶大"現象其實非常普遍,大家都在做
(2) s對於措辭功力一般,沒辦法針對疑問題去分析修正
(3) 因為措辭上的歧異使得普通到似乎不用強調的現象竟變成爭論焦點
2. 說明
所謂的小帶大,請用立定跳遠的動作去理解。
立定跳遠的發力方式 --
以 腳的屈伸為主,身體的躬伸、手臂的擺動為輔。
然而,詳細分析發力的時間順序與結構合理性以後會發現
立定跳遠時手臂由後往先上甩的時間點是會稍稍早於蹬腿的,
如果想要往左前(或右)前方跳,那身體與手的指向趨勢會更明顯,
經由身體結構的改變和左腳的微微收縮,使身體重心往左偏,
手臂開始前擺時候也會修正方向稍稍往左前調整...
上述的微動微調再先
然後才是蹬腳發力帶動全身。
3.再舉一例
端正坐在椅子上的人想要起身
先經由身體的變形把重心往前移動,然後才是雙腳發力站起
4.先小後大的理由
(1) 調節發力的準確方向
(2) 小部位先形成慣性,使大部位的充分發力更容易完成
5.意義
我認為小帶大的現象存在、且普遍存在於許多發力機制中,
但也沒必要侷限的認為凡是小帶大就應該如何如何
或是哪邊有小帶大哪邊沒有云云...
正常的發力機制只要
發力者覺得用得自然、用得有效就會下意識的用上
------------------------------ 主觀意見 -----------------------------------
我認為小帶大的機制對於會正常人來說是根本不需要強調或說明的,
因為,即使不去說明絕大多數的人也會下意識地去利用...
但那也不表示特別強調點出會是"錯誤的",
相反的說,特意點出這個現象必須是為了更深入的利用他才是。
例如:萬有引力、DNA、...
我想S大的意見被反對因素是:
反覆述說並主導討論一種太過普遍以至於被完全忽略的事實。
卻很難經由點出這個事實提供更有價值有意義的指引~~
換句話說,來逛這個版的可能有新手與高高手,
如果其中有一部分人因為這個主張受益了,
那不管有多少不理解的人反對批評,雖千萬人吾往矣~
我沒有資格去批評S大,只能建議S大
請自我分析您的主張究竟能夠/如何幫助一部分的人
把對他們有益的、有助成長的部分闡釋清楚就好
畢竟,就算證明自己對別人錯又有什麼意義呢
--------------------------------- 澄清 --------------------------------------
我不是想替S大講話,
因為我覺得"手帶腰"是一種容易誤解的措辭方式。
他所說的"帶",
更像是 帶領 而非 帶動 的意涵。
問題是,
在討論發力機制的場合中,把"帶"這個解釋為帶動才是用詞的共識。
我的淺見是:既然是弊多於利的措辭,不如就乾脆捨棄它
--
做個堂堂正正的中國人!
非中國人請無視簽名檔~
--
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