SupraScapular Cuff Study: Assessing the Effects of Size and Type of Rotator Cuff Tear on Suprascapular Nerve Function

Inclusion Criteria: • All patients age ≥18 years presenting to a UHNM shoulder clinic with a confirmed diagnosis of a rotator cuff tear (affecting one or both shoulders). Exclusion Criteria: * Bony pathology (such as significant shoulder arthritis that would exclude isolated rotator cuff repair) * Grossly abnormal shoulder anatomy * Motor Neurone Disease * Cervical cord disease affecting the SSN nerve roots * Patients unable to undergo MRI scan * Previous surgery at the affected glenohumeral joint * Patients unable to tolerate NCS * Acute fracture affecting the glenohumeral joint * Recent glenohumeral joint dislocation (past 12 months) * Patients unable or unwilling to give full informed consent * Patients unable or unwilling to comply with the study procedures