ページの作成:「<br> The torso should stay upright instead of swinging again and forth, as doing so transfers the load away from the biceps and onto other muscles, decreasing the effecti…」
(ページの作成:「<br> The torso should stay upright instead of swinging again and forth, as doing so transfers the load away from the biceps and onto other muscles, decreasing the effecti…」)