| Patient: adults with a clinical or radiological diagnosis of rotator cuff related shoulder pain of any duration. |
Patient: adults with other shoulder diagnoses including but not limited to instability, frozen shoulder or arthritis. |
| Intervention: exercise-based rehabilitation. |
Intervention: non-exercise-based treatments including but not limited to surgery, medications, injections, taping, electrotherapy or manual therapy. |
| Comparator: usual care, sham, or no treatment group. |
Comparator: studies with only one arm that is eligible. |
| Outcome: any clinical or patient reported outcome measures. |
Outcome: biomechanical or muscle activity outcome measures. |
