動力鏈 - 健身
By Iris
at 2018-04-20T22:39
at 2018-04-20T22:39
Table of Contents
動力鏈常見是用運動形態解釋關節時序
遠端不可移動,近端可移動=閉鎖鏈
https://imgur.com/ncbYo8T.jpg
遠端可移動,近端不可移動=開放鏈
https://imgur.com/NgNVHb4.jpg
藉由運動型態推測關節時序,例如肘屈動作
→ ←
肩__肘__腕
A B C
手腕作為主要發力完成肘屈動作
力量路徑C→B→A=開放鏈
肩關節作為主要發力完成肘屈動作
力量路徑A→B→C=閉鎖鏈
再相同的型態下,人們還是可以控制不同發力路徑
用引體向上舉例(力量路徑≠肌肉收縮方向)
常見新手會用D→C→B路徑導致引體向上失敗
很容易有手臂很酸背部沒感覺
https://imgur.com/qugfX63.jpg
而用A→B→C路徑會較容易成功
https://imgur.com/hDjnXji.jpg
每個運動型態有最佳的路徑,但並非是唯一的路徑
多數人也會因為力鏈傳遞不佳而導致無法連貫
力鏈傳遞不佳主要成因有
1.肌肉順應性
2.關節控制
3.運動理解
所以每個運動都有不同特性與身體條件需要去滿足
--
遠端不可移動,近端可移動=閉鎖鏈
https://imgur.com/ncbYo8T.jpg
遠端可移動,近端不可移動=開放鏈
https://imgur.com/NgNVHb4.jpg
藉由運動型態推測關節時序,例如肘屈動作
→ ←
肩__肘__腕
A B C
手腕作為主要發力完成肘屈動作
力量路徑C→B→A=開放鏈
肩關節作為主要發力完成肘屈動作
力量路徑A→B→C=閉鎖鏈
再相同的型態下,人們還是可以控制不同發力路徑
用引體向上舉例(力量路徑≠肌肉收縮方向)
常見新手會用D→C→B路徑導致引體向上失敗
很容易有手臂很酸背部沒感覺
https://imgur.com/qugfX63.jpg
而用A→B→C路徑會較容易成功
https://imgur.com/hDjnXji.jpg
每個運動型態有最佳的路徑,但並非是唯一的路徑
多數人也會因為力鏈傳遞不佳而導致無法連貫
力鏈傳遞不佳主要成因有
1.肌肉順應性
2.關節控制
3.運動理解
所以每個運動都有不同特性與身體條件需要去滿足
--
Tags:
健身
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