Axilla

Question 1

Insertion of the serratus anterior?

Answer 1

medial border of the scapula

Question 2

Origin of the serratus anterior?

Answer 2

ribs 1-8

Question 3

Innervation of the serratus anterior?

Answer 3

thoracic artery and thoracic nerve

Question 4

Function of the serratus anterior?

Answer 4

scapular protraction

Question 5

What happens when thoracic nerve is injured?

Answer 5

paralysis of serratus anterior (scapular winging)

Question 6

What two structures prevent scapular winging?

Answer 6

trapezius and scapula

Question 7

what is the origin of the axillary artery?

Answer 7

Subclavian artery

Question 8

what does the axillary artery turn into?

Answer 8

brachial artery

Question 9

what three regions seperate the axillary nerve?

Answer 9

rib to medial border of pec minor, under pec minor, past lateral border

Question 10

How many branches does each region give off?

Answer 10

region 1–> 1
region 2–> 2
region 3–>3

Question 11

what artery is within 1st region?

Answer 11

superior thoracic artery

Question 12

what does the superior thoracic artery supply?

Answer 12

superior part of the pect (

Question 13

what is common in region 1?

Answer 13

aneurism resulting in pain and parasthesia

Question 14

What branches are within the second region?

Answer 14

thoracoacromial trunk (clavicular, acromial, delotid), and lateral thoracic artery

Question 15

what does the deltoid artery supply?

Answer 15

pec major and delotids

Question 16

what does the lateral thoracic artery supply?

Answer 16

serratus anterior, intercostals, lateral pec major

Question 17

what branches are part of region 3?

Answer 17

subscapular artery, anterior humeral circumfelx, posterior circumflex

Question 18

how would artery and vein compression present for axillary?

Answer 18

normal at anatomical and impeded when subject is abducting there arm

Question 19

which is more anterior? artery or vein?

Answer 19

vein are more anterior (superficial) would be less of a problem to hurt a vein

Question 20

what do lymphnodes do?

Answer 20

drain lymph from upper veins

Question 21

what is erb-duchenne palsy?

Answer 21

tearing of the upper roots (C5,C6), loss of scapular retraction, waiters tip

Question 22

what is klumpkes palsy?

Answer 22

tearing of lower roots (C8.T1).

Question 23

how does klumpkes pasly occur?

Answer 23

forceful abduction

Question 24

how does klumpkes palsy present?

Answer 24

claw hand

Question 25

What occurs when there is chronic compression of the superior trunk?

Answer 25

affected elbow flexors and extensors

Question 26

what is saturday night palsy?

Answer 26

prolonged pressure on axilla causes radial neuropathy

Question 27

can metastasize breast cancer cells travel?

Answer 27

pass from subareolar lympahatic plexus to the pectoral lymph