WebbMuscles of Facial Expression The muscles of facial expression originate from the surface of the skull or the fascia (connective tissue) of the face. The insertions of these muscles have fibers intertwined with connective tissue and the dermis of the skin. Webb12 apr. 2024 · Origin: Medial aspects of maxilla and mandible, perioral skin and muscles, modiolus: Insertion: Skin and mucous membrane of lips: Action: Closes mouth, …
Anatomy for Diagnostic Imaging 2nd ed - S Ryan, et al, (2004) WW
Webb10 okt. 2024 · Origin: Transverse and spinous processes of lumbar vertebrae; sacrum and iliac crest via iliocostalis lumborum tendon & lumbosacral aponeurosis. Insertion: Transverse processes of T1 – T12; between tubercles and angles of lower 9 to 10 ribs. There must be an easier way to learn muscle anatomy, right? Right! Webb12 apr. 2024 · The platysma originates from the fascia that covers the clavicle, the acromial region and the superior portions of the pectoralis major and deltoid muscles. From its origin, the platysma passes over the clavicle and ascends through the … Origin and insertion. Depressor labii inferioris originates from the oblique line … The external jugular vein begins at the level of the mandibular angle, just below the … Anterior jugular vein (Vena jugularis anterior) The anterior jugular vein is a … The transverse cervical nerve, also called the cervical cutaneous nerve, is a branch … The human face is the most anterior portion of the human head.It refers to the area … Without the skin, humans would be susceptible to a myriad of pathologies. … Function. Depressor anguli oris pulls the angle of the mouth inferolaterally. Its … Structure. Orbicularis oris is a composite muscle that consists of two parts; a … netway8gl
Platysma muscle - Wikipedia
Webb27 dec. 2024 · Aforementioned article provides an overview of the neck muscles, their anatomy, origins, insertion, actions, also innervation. Click now to learn more at Kenhub! WebbPlatysma Muscle Muscle of facial exp. Runs from neck to mouth superficial to anterior cervical triangle and external jugular vein. What is the origin? Skin superficial to clavicle and shoulder What is the insertion? Inferior border of mandible 4-4 Review and Assessment Questions What is the action? Webb25 maj 2024 · The platysma muscle, a thin sheet of voluntary muscle, originates from the fibrous layer of connective tissue, the fascia, surrounding the chest and shoulder … netway 8bt