But, above all, strengthening your core and posterior chain—including your ... Keeping your shoulders down and relaxed, draw ...

‘Lucas [real identity hidden] came through the training session yesterday with no issues. It is now ten weeks since his posterior shoulder repair (non-dominant) and he is pushing to play this Saturday ...

It is often associated with tightness at the anterior side of the shoulder (inflexibility of the pectoralis major/minor muscles) and weakness of the lower trapezius and serratus anterior muscles.