Reverse Fly

Grab a pair of dumbbells with your thumbs turned toward each other and sit at the end of a bench.  
 
Keep your back flat, your elbows slightly bent, and lean forward at the waist as far as you can. Let the dumbbells hang at arm’s length. 
 
Slowly raise the dumbbells as high as you can without changing the bend in your elbows. Pause, then lower the dumbbells about one third of the distance to the starting position. 
 
Slowly raise the dumbbells back dumbbells as high as you can. Pause, then lower the dumbbells to the starting position.