[問題] 練胸 左右肌力
1.
小弟弟我在練胸臥推or蝴蝶機or伏地挺身時
皆會感覺前三角肌也有吃到
我手臂是平的像這樣→ ● (俯瞰圖)
—+—
人
這樣對嗎?
錯誤的話請問要如何矯正?
PS : 臥推時背要打直跟立正一樣嗎?
我看影片他們都很挺
這樣練覺得下背好酸
2.
並且每次右邊都較快虛脫
且右背肌都會有抽搐感
我是右撇子
難道是習慣性出力?
3.
在練側三角時有兩個疑點
A.手背是否打直較好?
B.手腕平舉或往後旋轉較好?
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