The study steering committee will meet every 6 months to ensure the study is running smoothly. The steering committee will include; Kevin Hall (lead researcher), Chris Mercer (Physiotherapy Consultant, physiotherapy clinical lead), Professor Ann Moore (academic supervisor, or a member of the academic supervisory team), Mr Nurang (Orthopaedic Shoulder Consultant), Richard Brunton (service user), Pamela Clarke (service user), Clare Meachin (Research and Innovation Department) and Physiotherapist (to be confirmed).