ACTIVITY 1

UY, Christian Marcus T._Activity 1

UY, Christian Marcus T._Activity 1

by Christian Marcus Uy -
Number of replies: 0
  1. Platysma
    • Origin – the subcutaneous tissue of infraclavicular and supraclavicular regions
    • Insertion – The base of the mandible, skin of cheek and lower lip, angle of mouth modiolus, orbicularis oris
    • Action – it causes the mandible to be depressed as well as the skin of the inferior face and neck to be tense.
  2. Metnalis
    • Origin – the body of the mandible
    • Insertion – the skin of the chin
    • Action – Elevates the lower lip and skin of chin
  3. Orbicularis oris
    • Origin – the medial maxilla and mandible, deep. Surface of peri-oral skin, modiolus
    • Insertion – the mucous membrane of lips
    • Action – closes oral fussier or phasic contraction, it also compresses and protrudes lips or resists distension
  4. Corrugator supercilia
    • Origin – the medial end of superciliary arch
    • Insertion – the skin superior to middle of supraorbital margin and superciliary arch
    • Action – it draws eyebrow medially and inferiorly, creating vertical wrinkles above nose
  5. Orbicularis oculi
    • Origin – the medial orbital margin, medial palpebral. Ligament, lacrimal bone.
    • Insertion – the skin around the margin of orbit, superior and inferior tarsal plates
    • Action – closes eyelids, palpebral part does so gently, while the orbital part does so tightly
  6. Horizontal Forehead Lines
    • Origin – the Galea aponeurotica, eyebrow dermis, terminates laterally at temporal ridge
    • Insertion – Orbicularis oculi muscle
    • Action – it raises the eyebrows and wrinkles the skin on forehead