DumbbellInternallyRotatedSingleArmFloorFly健身视频教程-胸部锻炼
Dumbbell Internally Rotated Single Arm Floor Fly
- Lie on your back holding one dumbbell above chest with palm turned downward.
- Lower arm out wide while keeping internal rotation and slight elbow bend.
- Bring dumbbell back over chest, squeezing pec at the top.

