Physiotherapy Treatment of Shoulder Rotator Cuff Tendinopathies. Global Postural Reeducation or Aerobic Exercise?

Participants who meet the inclusion criteria will be randomly distributed between group 1 "Global Postural Reeducation (GPR)", group 2 "exercise", or group 3 "no physical therapy intervention". Group 1 participants will receive a physical therapy treatment using the GPR method for 6 weeks consisting of 1 weekly session lasting 40 min performing "frog on the ground" and "sitting" poses. Patients in this group will also perform self-postures at home daily for 10 minutes. Group 2 participants perform training for 6 weeks using non-specific aerobic exercise consisting of a daily 20-minutes walk at a speed of 4-5 km/h. Group 3 participants will not receive any physical therapy treatment and will serve as a control group.