ACTIVITY 1

CORONEL, Tyrone - Activity 1

CORONEL, Tyrone - Activity 1

by Tyrone Joaquin Coronel -
Number of replies: 0

 

  1. Muscle-Platysma

        Origin-Infraclavicular and supraclavicular regions

        Insertion- Base of mandible, skin of cheek and lower lip, orbicularis oris

        Action- depresses mandible and tenses the interior face and neck’s skin

 

  1. Muscle - Mentalis

          Origin - Body of mandible

          Insertion - skin of chin

          Action - Elevates skin of chin, protrudes lower lip

 

  1. Muscle - Orbicularis oris

         Origin - Medial maxilla, mandible, perioral skin and muscle, modiolus

         Insertion - Mucous membrane of lips

         Action -  compresses and protrudes lips 

 

  1. Muscle - Corrugator supercilii

         Origin -  medial end of superciliary arch

         Insertion - Skin above the middle of supraorbital margin

         Action - Draws eyebrows medially and inferiorly, creates vertical wrinkles above nose



  1. Muscle -  Orbicularis oculi

         Origin -  nasal part of frontal bone, medial palpebral ligament, lacrimal bone

         Insertion - Skin of orbital region, superior and inferior tarsal plates

         Action - closes eyelids, making a winking expression

 

  1. Muscle - Occipitofrontalis

         Origin - Epicranial aponeurosis

         Insertion - Skin and tissues of eyebrows and forehead

         Action -  Elevates eyebrows and wrinkles forehead