2020 Dynamic Ultrasound examination of the shoulder. Superior Impingements. 

excelente presentación. Muy didáctica y práctica. Gracias por compartir

I would suggest u abondon the term impingement, especially realting to the rotator cuff. This is a term that should no longer be used since the described mechanism does not hold water. The same goes for scapula dyskinesia. Here is a good video explaining the concept of why impingement should be abandoned: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-z9a3RWzGX0o.html