That said, the bench dumbbell chest fly might not be the best option for you to work that chest adduction into your routine. The exercise can be riskier and less effective than other exercises ...

For conducting this exercise, lie on a flat bench with dumbbells in ... showed the barbell bench press and the dumbbell fly can help gain strength and muscular hypertrophy in the upper-body.

Should you do the dumbbell press on a flat bench or an incline bench? I prefer the positioning of an incline dumbbell press, but there are benefits to both and different targeted muscle activation.