The present study will be a 24 months multi-center, double-blind, prospective, cohort study which will be carried out between April 2016 and March 2018. Subjects diagnosed of rotator cuff (RC) tendinopathy, adhesive capsulitis (AC), glenohumeral instability, superior labrum anterior to posterior (SLAP) lesion, and/or acromioclavicular pathology and fulfill the inclusion criteria will be asked for participating in the investigators study. Several questionnaires that will test the influence of different biopsychosocial factors and the presence of Central Sensitization will be administrated to these subjects. The outcomes will be assessed at baseline and 5 follow-ups (after 3, 6, 12, 18 and 24 months, t1-t6).