Shoulder pain is a common reason for consultation in general practice, with a 1-year prevalence ranging from 5% to 47% in the general population.
27Rotator cuff tendinopathy is the most common nontraumatic shoulder painful condition and affects about 20% of the population, with increasing prevalence over the course of aging. 28,33 The condition is characterized by a combination of pain and rotator muscle weakness, resulting in substantial limitations in overhead motor tasks and impairments in everyday activities. 26 The etiopathogenesis of rotator cuff tendinopathy is likely multifactorial and results from the participation of intrinsic (eg, changes in tendon collagen, proteoglycans, vascularity, and cellular-
T T METHODS:Ninety-two patients with rotator cuff tendinopathy and pain lasting for at least 3 months were recruited from the outpatient clinic of