Profiling the RCRSP Patient: a Pain Phenotype Classification Algorithm

Inclusion Criteria: * Age: 18-65 * Pain: \>3 months, non-traumatic, unilateral or bilateral of anterolateral location * ROM: \>50% all planes, AROM painful in forward flexion and/or abduction * Provocation testing: Hawkins-Kennedy, Neer, Painful Arc, Resisted ER, Empty Can (3 or more out of the 5 +ve) Exclusion Criteria: * Pain \< 3months * History of neck or shoulder trauma * Radicular signs, shoulder pain reproduced with neck movements * GH OA * Frozen Shoulder * Tears \>C3 according to Snyder Classification * Fibromyalgia * Neurological, systemic local or autoimmune inflammatory conditions * Clinical depression * No injected corticosteroids or physiotherapy the last 3/12