Origin
Origin of Epicranius (Frontal Belly)
Frontal Bone
Insertion of Epicranius (occipital)
Galea Aponeurotica
Actions of Epicranius (frontal belly)
Raises eyebrows, wrinkles forehead
Origin of Orbicularis Oris
Maxilla and mandible
Insertion of Scalenes
First two ribs
Origin of Zygomaticus (Major & Minor)
Zygomatic Bone
Insertion of Zygomaticus (Major & Minor)
Skin and muscle at the corner of mouth
Actions of Orbicularis Oculi
Closes eye, blinking, squinting
Insertion of Temporalis
Coronoid process of mandible
Action of Pectoralis Major
Flexes, adducts, and medially rotates arm
Origin of Temporalis
Temporal fossa
Insertion of Buccinator
Orbicularis oris
Action of Buccinator
Compresses cheek (whistling), holds food between teeth
Origin of Sternohyoid
Manubrium and medial end of clavicle
Origin of Diaphragm
Inferior internal surface of rib cage and sternum
Origin of Orbicularis Oculi
Frontal and Maxillary bones
Insertion of Masseter
Angle and ramus of mandible
Action of Temporalis
Elevates and retracts mandible
Origin of Levator Scapulae
Transverse processes of C1-C4
Insertion of Transverse Abdominis
Linea alba and pubic crest
Zygomatic arch and bone
Insertion of Temporalis
Coronoid process of mandible
Action of Orbicularis Oris
Closes lips, purses and protrudes lips (kissing)
Action of Platysma
Tenses skin of neck, depresses mandible
Insertion of internaI Oblique
Linea alba, pubic crest, and costal cartilages of ribs 9-12