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; distinct and nonspecific shoulder discomfort; and nonspecific back or neck pain.Trials of back or neck discomfort linked to specific pathologies (e.g.osteoporotic fracture) are going to be excluded.Trials of shoulder pain connected with certain pathologies (e.g.rotator cuff tendonitis, frozen shoulder, or bur.; distinct and nonspecific shoulder pain; and nonspecific back or neck discomfort.Trial