Which muscles do pullovers work?
The dumbbell pullover works muscle groups throughout your upper body, including your latissimus dorsi, your pectoralis major, the triceps on the back of your upper arms, and the serratus muscle on the side of your rib cage.
Do pushups work serratus?
That's because in addition to working your chest, it's highly effective at engaging your serratus anterior, a small but important muscle that helps move your shoulder blades. ... This results in "rounded shoulders," giving you a permanent slump. Now, the classic version of the pushup works your serratus anterior.