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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.
Dumbbell Internally Rotated Single Arm Floor Flyエクササイズガイド - छातीワークアウト | MuscleWiki