Lesson 7 - Head Neck & Face

Question 1

Skull Bones

Answer 1

1 Occipital
2 Parietal
2 Temporal
1 Frontal

Question 2

E.O.P.

Answer 2

External Occipital Protuberance - Place of muscle attachment

Question 3

Foramen Magnum

Answer 3

Hole in base of skull where spinal chords passes through

Question 4

Condyles for Atlas

Answer 4

Occipital ridges that sit on C1

Question 5

Facial Bones

Answer 5

2 Nasal
2 Zygomatic - Cheek bones
2 Maxilla - Left & right
1 Mandible

Question 6

Zygomatic Arch

Answer 6

“Apple of cheek bone”

Question 7

Sinuses

Answer 7

Cavities or holes in skull that help you hear / communicate. Can be stimulated via vibration.

Question 8

Cranial Sutures

Answer 8

Fibrous skull joint that connects bones of skull

Question 9

Temporomandibular Joint

Answer 9

Synovial joint /hinge joint between temporal bone and mandible

Question 10

Facial Muscles

Answer 10

Unusual because they can originate in bone or fascia and insert into other muscles or skin. This is what allows for lots of facial expressions (muscle pulling on skin)

Question 11

Platysma

Answer 11

Most superficial muscle of anterior neck

1. Depression of mandible
2. Tightens neck fascia

Question 12

Massester

Answer 12

Main muscle involved in mastication
1. Elevates mandible / TMJ

Question 13

Temporalis

Answer 13

Massive origin on temporal bone. Deep to masseter.

1. Elevates & retracts mandible / TMJ

Question 14

Sternocleidomastoid

Answer 14

Sternum + Clavicle + Mastoid.

Divides neck into anterior (danger) and posterior (happy) triangles.

Actions:
1. Bilateral - flexion of neck
2. Unilateral - lateral flexion of head and neck to the side
3. Unilateral - rotates head & neck to opposite side