axial

Question 1

O = epicranial aponeurosis
I= skin over supraorbital margin (eyebrow skin)
moves scalp , eyebrows , wrinkles skin of forehead

Answer 1

frontal belly of occipitofrontalis

Question 2

close eyes produces wrinkling blinking , squninting
O: medial wall or margin of orbit
I skin surrounding eyelid

Answer 2

orbicularis oculi

Question 3

drawers corners of mouth inferiorly and laterally
o: body of mandible
I: skin at inferior corner ( angle ) of mouth

Answer 3

depressor anguil

Question 4

elevates corner of the mouth …smile
O: zygomatic bone
I: skin at superolateral edge of mouth

Answer 4

zygomaticus major

Question 5

elevates and protracts mandible prime mover of jaw
O: zygomatic arch
I : ramus and angle of mandible

Answer 5

masseter

Question 6

unilateral action , lateral flexion , rotation to opposite side
bilateral action flexes neck
O: Manubruim and sternal end of clavicle
I masstoid process

Answer 6

sternocleidomastoid

Question 7

UA: turns head to same side
BA: extends head and neck
O:ligamentum nuchae and spinous process of ct7-t3
I: occipital bone and mastoid process of temporal bone

Answer 7

splenius capitis

Question 8

contraction causes flatterning of diaphram expansion of thoracic cavity , increases pressure in the abdominopelvic cavity

Answer 8

diaphram

Question 9

flexes vertebral column , compresses abdominal wall used in forced exhalation
O: superior surface of pubis near symphysis
I : xiphoid process of sternum inferior surfaces of ribs 5-7

Answer 9

rectus abdominis

Question 10

UA: lateral flexion of vertebral column, rotation of vertebral column to the opposite side
BA: flexes vertebral column and compresses abdominal wall , used in force exhalation
O: external and inferior borders of the inferior 8 ribs
I: Linea alba by a broad aponuerosis , some to illac crest

Answer 10

external oblique