Upper Body Exercises: Toning, Posture, and Pull-Up Success

Pull-ups and push-ups are fundamental movements for strengthening the upper body and improving overall posture. Learn the difference between isometric and isotonic exercises, and explore if facial movements can truly lift sagging skin.

Trainer showing a file to a young woman in the gym

How to Do a Dumbbell Rear Delt Fly

Published Sep,08 2011 | By Nick Ng

A rear delt fly done with dumbbells strengthens your upper back muscles and shoulders while working on stabilization strength in your spine, deep abdominals and hips. The exercise requires you to maintain a neutral spine position and avoid moving the torso.