Under this theory, acromioplasty is advocated to modify acromial morphology as an essential part of rotator cuff surgery. Proponents of the intrinsic theory suggest rotator cuff tendons undergo degeneration through aging and overuse, and that bursectomy alone without acromioplasty is sufficient. There...
Where is the origin of the platysma? The platysma, innervated by the facial nerve, is a thin, sheet-like voluntary muscle. Origin: the muscle has a broad origin withfibers arising from the fascia of the upper thorax including the clavicle, acromial region, pectoralis major and deltoid muscles...