ジュリアン・カンのインスタグラム(julienkang) - 9月5日 15時21分

바 왜 이렇게 들어? ㅋㅋ 원래 바를 그냥 어깨위에 들고있는데, 어렇게 들면, 코어 더 많이 쓰는거에요. #스파르타 #스파르타훈련 #저처런지 #저처스콰트 “Zercher” reverse lunges. Why hold the bar like this? Normally the bar would “rest” on your shoulders resulting in less work for your core. Holding the bar as so, forces your core to do the work keeping your torso upright. More functional. #zercher #zercherlunges #zerchersquats #immigranthustle

[BIHAKUEN]UVシールド(UVShield)

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