What it's supposed to do: Train chest and shoulders. What it actually does: It can put the shoulder in an unstable position and place excessive stress on the shoulder joint and its connective tissue.

Check out Women's Health's FitGIF Friday every week for fun and challenging new moves to make your sweat sesh really count. Here's this week's exercise: Seated upright chest fly: If you're looking to ...

The dumbbell chest fly is an exercise that can help to strengthen the chest and shoulders. It’s common to do it while lying on your back on a flat or incline bench. There’s also a dumbbell fly ...