Muscles of the Neck

Question 1

Regions of Neck Musculature (4)

Answer 1

SCM region
posterior cervical region
lateral cervical region
anterior cervical region

Question 2

SCM Region (2)

Answer 2

sternocleidomastoid

platysma

Question 3

Lesser Supraclavicular Fossa

Answer 3

space between sternal and clavicular heads of sternocleidomastoid

Question 4

Posterior Cervical Region (2)

Answer 4

trapezius

suboccipital region

Question 5

Suboccipital Region (4)

Answer 5

rectus capitis posterior major
rectus capitis posterior minor
obliquus capitis inferior
obliquus capitis superior

Question 6

Suboccipital Triangle

Answer 6

deep to trapezius and semispinalis capitis
borders: obliquus capitis inferior and superior and rectus capitis posterior major
houses vertebral artery and suboccipital nerve

Question 7

Lateral Cervical Region (4)

Answer 7

splenius capitis
levator scapulae
middle scalene
posterior scalene

Question 8

Anterior Cervical Region (2)

Answer 8

suprahyoid muscles

infrahyoid muscles

Question 9

Prevertebral Muscles/Deep Structures of Neck (2)

Answer 9

anterior vertebral muscles

lateral vertebral muscles

Question 10

Anterior Vertebral Muscles (4)

Answer 10

longus colli
longus capitis
rectus capitis anterior
anterior scalene

Question 11

Anterior Scalene - I

Answer 11

1st rib

Question 12

Lateral Vertebral Muscles (5)

Answer 12

rectus capitis lateralis
splenius capitis
levator scapulae
middle scalene
posterior scalene

Question 13

Levator Scapulae - O

Answer 13

transverse processes of C1-C4

Question 14

Levator Scapulae - I

Answer 14

superior part of medial border of scapula

Question 15

Levator Scapulae - N

Answer 15

dorsal scapular nerve C5

Question 16

Levator Scapulae - A

Answer 16

elevates scapula

tilts glenoid cavity inferiorly by rotating scapula

Question 17

Middle Scalene - O

Answer 17

transverse processes of C4-C7

Question 18

Middle Scalene - I

Answer 18

1st rib

Question 19

Middle Scalene - N

Answer 19

anterior rami of cervical spinal nerves

Question 20

Middle Scalene - A

Answer 20

lateral cervical flexion

elevation of 1st rib during forced inspiration

Question 21

Posterior Scalene - O

Answer 21

transverse processes of C4-C6

Question 22

Posterior Scalene - I

Answer 22

2nd rib

Question 23

Posterior Scalene - N

Answer 23

anterior rami of cervical spinal nerves C7 and C8

Question 24

Posterior Scalene - A

Answer 24

lateral cervical flexion

elevation of 2nd rib during forced inspiration

Question 25

Suprahyoid Muscles (4)

Answer 25

mylohyoid
geniohyoid
stylohyoid
digastric

Question 26

Suprahyoid Muscle Functions

Answer 26

substance of floor of mouth and inside mouth under tongue
provide base for tongue functions
help elevate hyoid and larynx for swallowing and tone production

Question 27

Infrahyoid Muscles (4)

Answer 27

sternohyoid
omohyoid
sternothyroid
thyrohyoid

Question 28

Infrahyoid Muscle Functions

Answer 28

depress hyoid during swallowing and speech

stabilize hyoid for speech and tongue control

Question 29

Unique Design of Digastric and Omohyoid

Answer 29

both have 2 bellies and create a pulley system

omohyoid attaches at scapula (sturdier anchor point)

Question 30

Hyoid

Answer 30

anterior to C3

no bony attachment - suspended in suprahyoid and infrahyoid muscles