Muscle shortening maneuver and not topical anti-inflammatory therapy is effective in reducing the width of subacromial-subdeltoid bursa in shoulder impingement syndrome

Muscle shortening manoeuvre; Shoulder impingement syndrome; Sonographic exam; Topical flurbiprofen; Electronic, Optical and Magnetic Materials; Biomaterials; Atomic and Molecular Physics, and Optics; Radiology, Nuclear Medicine and Imagin