Axilla, lateral cervical triangle

Question 1

List bones of the pictorial region

Answer 1

clavicle
sternum
ribs
scapula

Question 2

what bones make up the sternum

Answer 2

manubrium
body
xiphoid

Question 3

What is the function of the fascia of the pictorial region

Answer 3

defines borders
invest muscles
creates potenital space

Question 4

list structures associated with the superficial fascia

Answer 4

platysma
supraclavicular nerves
anterior and lateral branches of intercostal nerves

Question 5

List borders of the deltapectoral triangle

Answer 5

deltoid
pectorals major
middle 1/3 of clavicle

Question 6

list contents of the deltapectoral triangle

Answer 6

Cephalic Vein
Deltopectoral lymph nodes
deltoid branch of thoracoacromial Artery

Question 7

Describe the clavipectoral fascia

Answer 7

Invest (covers) the subclavius and pectorals minor

Attaches to clavicle and anterior thoracic wall

Question 8

list structures that pierce the fascia

Answer 8

Cehpalic vein, thoracoacromial artery, lateral pectoral nerves

Question 9

describe the clavipectoral fascias relationship with the suspensory ligament of the axilla

Answer 9

the clavipectoral fascia becomes the suspensory liagament of axilla

Question 10

Lists contents of superficial cervical fascia

Answer 10

platysma muscle
superficial veins
cutaneous nerves

Question 11

Describe the preverterbral fascia and the muscles covered

Answer 11

• muscles of the lateral triangle are covered

- Extends around anterior surface of the cervical vertebrae across anterior midline

Question 12

List the muscles of the lateral cervical triangle

Answer 12

splenius capitis
levator scapulae (LS)
Scalenus posterior (SP)
Scalenus medius (SM)
scalenus anterior (SA)
Omohyoid

Question 13

Muscular flood of cervical triangle origin

Answer 13

superior border of scapula near the supra scapular notch; Passes through fascial sling near proximal end of clavicle, forming an inferior belly an a superior belly

Question 14

Muscular flood of cervical triangle insertion

Answer 14

superior belly inserts on inferior border of hyoid bone

Question 15

Muscular flood of cervical triangle action

Answer 15

depresses, retracts and steadies hyoid bone

Question 16

Muscular flood of cervical triangle innervation

Answer 16

C1-C3 via a branch of the ansa cervicallis

Question 17

list the nerves of triangle

Answer 17

Lesser occipital (C2)
supraclavicular (C3,4)
Accessory (CN XI)

Question 18

List the vessels of triangle

Answer 18

occipital artery 
transverse cervical artery 
subclavian vein (SV)
subclavian artery (SA)
external jugular vein (EJV)