AOI: Muscle and Origin deck (Lab 4)

A&P 1 Lab 4 (myology: pectoral area and superficial & deep neck)

obliques (external and internal)

ribs (external), iliac crest (internal)

transverse abdominis

ribs and iliac crest

rectus abdominis

pubic crest

intercostals (external and internal)

superior border of ribs (external), inferior border of ribs (internal)

diaphragm

ribs (5-10) and lumbar vertebrae

frontalis

epicranial aponeurosis

occipitalis

occipital bone

temporalis

temporal fossa

masseter

zygomatic arch

zygomaticus

zygomatic bone

buccinator

molar region (maxilla and mandible)

platysma

fascia of chest

orbicularis oculi

frontal bone and maxilla

orbicularis oris

maxilla and mandible

levator labii superioris

zygomatic bone and infraorbital margin (maxilla)

depressor labii inferioris

body of mandible

sternocleidomastoid

manubrium and clavicle

scalenes

transverse process of cervical vertebrae (C3-C7)

serrates anterior

true ribs

rhomboids

spinous process of vertebrae (C7-T5)

splenius

spinous process of vertebrae (C7-T6)

digastric

lower margin (mandible), mastoid process (temporal bone)

mylohyoid

medial surface (mandible)

geniohyoid

mental tubercule

sternohyoid

manubrium (sternum)

sternoythyroid

manubrium (sternum)

thyrohyoid

thyroid cartilage