M @MuscleB1ueprint Follow This video is currently unavailable 0:00 2× −10s +10s 0:00 / 0:00 Upper Chest Workout for Size and Definition A video posted by @MuscleB1ueprint on X (formerly Twitter) (December 9, 2025 ・ その他 ・ 0:25). Watch and download it on XCLYP. Like 0 Favorite 0 Download Open on X Share