DumbbellSingleArmSkullcrusher健身视频教程-三头肌锻炼

2个月前 男性哑铃

Dumbbell Single Arm Skullcrusher

中级训练视频教程

1

Lie on flat bench holding one dumbbell above shoulder, palm facing in.

2

Bend elbow to lower dumbbell beside head without moving upper arm.

3

Extend arm fully, contracting triceps at the top.

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