The emphasis of the upward inclined dumbbell bench press is not much different from that of the flat plate, and the selected weight will not be as big as that of the flat plate, because most of our strength will be provided by the upper chest and the triangular toe beam, and the flat plate is the whole chest.
This action may cause deltoid pain the next day, which is normal and not necessarily deltoid compensation. In fact, the deltoid muscles of bench press are all active muscle groups, which means that you will definitely practice deltoid muscles when you practice your chest? Dumbbell bench press needs to test arm strength more than barbell bench press. Don't forget that the essence of any chest training action is "clip", and dumbbell bench press is no exception.