Fitness experts conclude the dumbbell pullover works both the pecs and lats. However, you can only reap the full benefits for each muscle group depending on your form. When you position your arms and elbows in a certain way, you will target your pecs.
Do dumbbell pullovers build muscle?
Dumbbell pullovers build your chest and lats (the muscles in the middle-to-lower back). That makes them a good addition to your upper body strength routine.
How important is dumbbell pullover?
Canon tells us that dumbbell pullovers strengthen and target your lats first and foremost, which is the largest muscle in your upper back. These pullovers also use and strengthen your pecs, serratus anterior, triceps, and core.