The back and shoulder muscles power a whole range of upper body movements. They help with posture. They play a pivotal part in creating power in physical movement. They allow us to resist fatigue. They are also hard to train. The Back & Shoulders Challenge takes you through a thirty day set of exercises that will completely change your physical awareness of the muscles on your back and shoulders. By the end of it you will have a greater sense of control over these muscles and a deeper connection with your body.