DumbbellSingleArmStepUpKneeDrive健身视频教程-股四头肌锻炼
Dumbbell Single Arm Step Up Knee Drive
- Hold one dumbbell at your side and place opposite foot firmly on platform.
- Drive through front heel to step up, keeping torso tall and core tight.
- Lift trailing knee high at the top, then step down slowly with control.

