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.

