How-to: Lie down on a weight bench with a dumbbell in each hand and bend your elbows at 90-degree angles. Extend your arms and lift the weights straight up in the air. Hold for 1 to 2 seconds, then ...

"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.