export_head and neck origins insertions 1 Flashcards Preview

Head and Neck Anatomy > export_head and neck origins insertions 1 > Flashcards

Flashcards in export_head and neck origins insertions 1 Deck (20):
1

Platysma origin

superficial fascia

2

Platysma insertion

mandible

3

Platysma action

Stretches neck skin tight

4

Platysma innervation

facial nerve, cervical branch

5

SCM origin

manubrium and clavicle

6

SCM insertion

mastoid process, superior nuchal line (lateral half)

7

SCM Action

draws head to shoulder, turns face to opposite side

8

SCM innervation

spinal accessory, APR of C2, C3

9

Trapezius origin

thoracic, cervical spines, ligamentum nuchae, inion, nuchal line

10

Trapezius insertion

spine, acromion of scapula

11

Trapezius action

extends head, tilts chin to opposite side; rotates, adducts scapula; elevates scapula and clavicle

12

Trapezius innervation

spinal accessory, APR of C3, C4

13

Splenius capitis origin

ligament; cervical spines

14

Splenius capitus insertion

mastoid process; superior nuchal line

15

Splenius capitus action

extends head; flexes head laterally; rotates head ipsilateral side

16

Splenius capitus innervation

PPR of cervical spinal nerves

17

Levator scapulae origin

transverse process of cervical vertebrae

18

Levator scapulae insertion

scapula (vertebral border)

19

Levator scapulae action

elevates, rotates scapula

20

Levator scapulae innervation

dorsal scapular nerve