Shoulders down strengthening exercise to stand with your back against the wall with your arms straight up above your head, palms facing forwards and index fingers touching. Keeping the back of your hands and elbows against the wall. contract your back muscles, pulling your elbows down, trying to get them as far down as possible without straining. Keeping the elbows and back of the hands against the wall. slowly raise the hands back up so that the index fingers touch once again. Repeat this 10 times remembering quality is better than quantity.
Now stand away from the wall and ask yourself the question, do you get a sense of a bit more strength and stability in the back