The Reverse Flye exercise from the Drop a Jeans Size 2009 workout tones your upper back and abs. Do 2 sets of 12 reps.
-Reverse lie. The reverse lie is a great exercise for your upper back. We're gonna go for 10 reps here. If you're having a hard time balancing, plant your feet wider apart. Imagine trying to make your shoulder blades kiss behind your back at the top of the lift.