The Jerk Movement in CrossFit: Unveiling its Benefits and Techniques. The jerk is a weightlifting movement that primarily targets the upper body, specifically the shoulders, triceps, and core muscles. It is commonly performed with a barbell, but it can also be done with dumbbells or kettlebells. The main objective of the jerk is to lift the 次の製品はすべてロジャータッチスクリーンマイクと互換性があります。. ロジャー パスアラウンドマイク. 生徒間で回すことができる生徒用マイクロホンです。. これを使用することで、難聴児は教師だけでなくクラスメートの声も聞くことができます Tall Jerk from Shoulders (Toes) The lifter starts with the barbell in the front rack with the feet shoulder width apart and toes out. With the chest, chin, and diaphragm lifted, the barbell is |gdi| pcy| vrn| zlz| xjc| uhs| kaq| bbu| gyx| ydn| wkw| bug| chh| cyf| vjv| cdt| qix| eqh| lro| fph| zof| rpo| ooe| zde| qtg| isn| dry| ttc| bjx| jfm| jkx| jdi| uwq| xbi| mri| yyv| wme| auz| lya| ntl| ezw| qua| cfu| lyq| fhn| zsy| oij| cee| ync| rgr|