DumbbellSingleArmSeatedHammerCurl健身视频教程-二头肌锻炼
Dumbbell Single Arm Seated Hammer Curl
- Sit tall holding one dumbbell at your side with palm facing inward.
- Curl dumbbell toward shoulder while keeping elbow tight to your torso.
- Squeeze bicep, then lower slowly to full extension under control.

