Melchiorre, Daniela Muscle shortening manoeuvre reduces pain and functional impairment in shoulder impingement syndrome: clinical and ultrasonographic evidence. [electronic resource] - Clinical and experimental rheumatology - 5-10 p. digital Publication Type: Controlled Clinical Trial; Journal Article ISSN: 0392-856X Subjects--Topical Terms: AccelerationAcromioclavicular Joint--diagnostic imagingAdultAgedAged, 80 and overAnalysis of VarianceBiomechanical PhenomenaExercise Therapy--methodsFemaleHumansMaleMiddle AgedMuscle ContractionMuscle StrengthMuscle, Skeletal--diagnostic imagingPain MeasurementPredictive Value of TestsRange of Motion, ArticularShoulder Impingement Syndrome--diagnostic imagingShoulder Joint--diagnostic imagingShoulder Pain--diagnostic imagingTime FactorsTreatment OutcomeUltrasonographyWeight-Bearing