Look Great in a Tank
Perfect Your Posture
"In my experience, I need to target the trapezius (the muscle that extends from your neck to the middle of your spine between your shoulder blades) to make sure my posture is good and that my shoulders and arms extend beautifully from my body," says Jennifer Aniston's yoga instructor Mandy Ingber. How do you target that tricky trapezius? Check out her secrets below.