“…However, we consider the conditions applied to be more similar to standard clinical practice. Other studies have already evaluated the reliability of detecting degrees of movement, showing good to excellent intra-observer reliability [ 39 , 43 , 44 , 45 , 46 , 47 ]. Ultrasound measurements are reliable for assessing inferior gliding of the humeral head [ 22 , 27 , 28 , 35 ].…”