muscles

Question 1

Trapezius M.

Action:

N:

Answer 1

Axn:

Extend neck bilaterally
SB
Rotate face away unilaterally
N:

Spinal accessory N.

Question 2

Splenius capitis M.

Axn:

N:

Answer 2

Axn: Extend neck, SB, rotate face TOWARDS

I: posterior rami of C3-C5

Question 3

Levator Scapulae M.

Axn:

N:

Answer 3

Axn: Extend neck, SB

I: dorsal scapular N

Question 4

Sternocleidomastoid M.

Axn:

N:

Answer 4

Axn:
extend neck at AO joint bilaterally
laterally flex unilaterally
rotate face away unilaterally

N: Spinal accessory N (CN 11)

Question 5

Anterior Scalene M.

A:

N:

Answer 5

A:

Elevate 1st rib,
flex neck
SB
N: 
Anterior rami of C4-C6

Question 6

Middle Scalene M.

A:

N:

Answer 6

A:

Elevate first rib
Laterally flex neck. (SB)
N: Anterior rami of C3-8

Question 7

Posterior scalene M.

A:

N:

Answer 7

A:

Elevate 2nd rib
SB
N:

Anterior rami of C5-C7

Question 8

Omhyoid M.

Axn:

N:

Answer 8

Superior belly and inferior belly of omhyoid m. are separated by fascial slip attach to the clavicle.

Axn: Depress, retract and steady the Hyoid B

N: Ansa cervicalis (C1-C3)

Question 9

congenital torticollis?

affects what m

Answer 9

SCM

Question 10

Johnny has congenital torticollis; head SB to the R and rotates to the L. what muscle is fucked up

Answer 10

R SCM muscle

Question 11

Mylohyoid M

Axn:

N:

Answer 11

Axn:

1. elevates hyoid bone, floor of mouth and the toungue
   N:

N. to mylohyoid

Question 12

Geniohyoid M.

Axn:

N:

Answer 12

Axn:

Elevates hyoid bone
shortens floor of mouth
widens pharynx
N:

C1 via hypoglossal N

Question 13

Digastric M

Axn:

N:

Answer 13

Axn:

Depresses Mandible
elevates and steadies Hyoid B.

N:

Anterior Belly- N. to the Mylohyoid.
Posterior Belly- Facial N.

Question 14

Stylohyoid M.

A:

N:

Answer 14

A:
Elevate and retract hyoid bone.
elongate floor of mouth
N:
Facial N.

Question 15

Sternohyoid m.

Attachment points:

Axn:

N:

Answer 15

Axn: depress hyoid bone

N: Ansa Cervicalis (C1-C3)

Question 16

Sternothyroid m.

Attachment points:

Axn:

N:

Answer 16

Axn: Depresses Hyoid B. and Larynx
N: Ansa Cervicalis (C2, C3)

Question 17

Thyrohyoid M.

Attachments:

Axn:

N:

Answer 17

Attachments: thyroid cartilage -> hyoid bone
Axn: Depress hyoid bone and elevate larynx
N: C1 via hypoglossal

Question 18

Omohyoid M.

Attachments:

Axn:

N:

Answer 18

Omohyoid M: has a superior belly and inferior belly

Attachments: scapula (shoulder) -> hyoid bone
Axn: Depress, retracta and steady the hyoid bone
N: Ansa Cervicalis (C1-C3)
just lk sternohyoid m.

Question 19

Superior Pharyngeal Constrictor M.

N:

Answer 19

N:

Pharyngeal branch of Vagus N.
Pharyngeal Plexus

Question 20

Middle Pharyngeal Constrictor M.

AND

Inferior pharyngeal constrictor M.

Answer 20

N:
Pharyngeal branch of Vagus N.
Pharyngeal Plexus
branches of the Recurrent Laryngeal N.

Question 21

Palatopharyngeus M.

A:

N:

Answer 21

Axn: Elevate Pharynx and Larynx when we swallow

N:

Pharyngeal branch of Vagus N.
Pharyngeal Plexus

Question 22

Salpingopharyngeus M

Axn:

N:

Answer 22

Axn: elevate pharynx and larynx when we swallow

N:

Pharyngeal branch of Vagus N.
Pharyngeal Plexus

Question 23

Stylopharyngeus M.

Axn:

N:

Answer 23

A: Elevate Pharynx and Larynx when we swallow
N: Glossopharyngeal N. (CN IX)
–

Question 24

laryngeal ms. innervation

Answer 24

all are recurrent laryngeal N EXCPET cricothyroid m; it is external laryngeal N

Question 25

longus colli m. innercation

Answer 25

C2-C6

Question 26

longus capitis m.

Answer 26

C1-C3

Question 27

rectus capitus anterior flexes head and laterals SB

innervation;

Answer 27

C1-C2

Question 28

Zone I includes:

Structures at risk:

Answer 28

lungs,
cervical pleura
thyroid, 
parathyroid,
eso, 
trachea
common carotid 
jugular

Question 29

zone II

Answer 29

larynx 
laryngopharynx
ESO
carotid 
vertebral A

Question 30

zone III

Answer 30

Angle of mandible -> base of the skull

1. Salivary Glands,
2. Oral and Nasal Cavities
3. Oro- and Nasopharynx.

Question 31

thyroidectomy. can damage :

Answer 31

R recurrent laryngeal N

inferior thyroid A.

Question 32

recurrent laryngeal N runs where

Answer 32

run between thyroid gland and trachea and larynx

Question 33

Larynx connects what

Answer 33

oropharynx to the trachea

Question 34

foreign bodies get stuck most often where

Answer 34

. R main bronchus

Question 35

CN: Branchial Fistula:

Answer 35

remnant of 2nd pharyngeal pouch and groove

Question 36

Branchial Sinus:

Answer 36

communicates externally but NOT internally

Question 37

: Branchial Cyst: can damage

Answer 37

hypoglossal
glosspharytngeal
spinal acessory

Question 38

L recurrent laryngeal N becomes what

Answer 38

Inferior laryngeal N.