Dumbbell flyes are one of the most effective isolation exercises for targeting the pectoral muscles. Unlike pressing movements, flyes emphasize a deep stretch and strong contraction, which makes them ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." You don’t necessarily need a bulky set of dumbbells to get the chest muscle activation you seek.

Developing bigger pectoral muscles, or "pecs," is one of the most common goals for anyone focused on building upper-body strength or improving their physique. After all, a strong, well-developed chest ...