Ever find your shoulders aching and paining after doing some heavy lifting, like rearranging furniture or lifting boxes? it’s probably because of the lack of flexibility in your shoulders. Shoulders are probably the most neglected muscles groups in your body, they are the main stabilizer when we throw, press or bringing elbows to our body. With our tendency to sit in a forward hunched position, it can ruin our posture and create an overly dominant frontside of the body. Working out your rear shoulder will counteract this influence, pulling the shoulder back into position for improved posture. A well-rounded shoulder exercise that includes both of your front and back shoulders will increase your strength and also decrease the amount of load your shoulder joints have to bear to make your shoulders more flexible, coordinated, and conditioned to handle stress. Deltoid and Trapezius You probably will be surprised that a lot of shoulder exercises involve your back. The trapezi...