DumbbellSingleArmHammerCurl健身视频教程-二头肌锻炼

Dumbbell Single Arm Hammer Curl

Stand or sit tall holding dumbbell at your side with palm facing inward.
Curl dumbbell toward shoulder while keeping elbow tight to torso.
Squeeze bicep, then lower slowly to full extension under control.

DumbbellSingleArmHammerCurl健身视频教程-二头肌锻炼 - 小练场

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