

Pec Fly Machine and Dumbbell Chest Fly the two exercises wor..
Added 2023-10-01 06:00:32 +0000 UTCPec Fly Machine and Dumbbell Chest Fly the two exercises work the same primary muscle, but they differ in the lesser muscles recruited to complete each exercise. With the pec deck machine, no stabilizer muscles are used, because the machine does the work of stabilizing the weight. Since the dumbbell fly is a free weight exercise, it provides more room for variation.