DumbbellSingleArmInclineSkullcrusher健身视频教程-三头肌锻炼

Dumbbell Single Arm Incline Skullcrusher

Set bench to incline and hold dumbbell above chest with palmsfacing in.
Bend elbow to lower dumbbell toward forehead under control.
Extend arm fully, squeezing tricep at the top.

DumbbellSingleArmInclineSkullcrusher健身视频教程-三头肌锻炼 - 小练场

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