Transition areas and upper limb vasculature

Question 1

Subclavian artery pathway

Answer 1

suprascapular –> supraspinus fossa –> dorsascapular –> rhomboids

Question 2

Axillary artery pathway

Answer 2

Lat. margin of rib 1 –> pec. major (inf. border) or teres major (inf. border) –> brachial artery –> neck radius

Question 3

3 parts of the axillary artery

Answer 3

1: 1 branch- superior thor. A
2: 2 branches- thoraco-acromial A and lat thor. A
3: 3 branches- subscap. A, ant. circ. hum. A, post. circ. hum A.

Question 4

Which arteries go around surgical neck and run with axillary nerve?

Answer 4

Circumflex arteries

Question 5

Superior thoracic A supplies what?

Answer 5

upper part of thoracic cavity

Question 6

Thoracoacromial A. supplies what?

Answer 6

pec and delt regions

Question 7

Lateral thoracic artery supplies what?

Answer 7

lat. thor. wall (ser. ant)

Question 8

Subscapular artery supplies what?

Answer 8

Scapular region

Question 9

Ant/post circumflex hum. A’s.

Answer 9

Ant/post around surgical neck

Question 10

When does the artery turn into the brachial artery??

Answer 10

After passing the inf. border of teres major or pectoralis.

Question 11

Which artery supplies serratus ant. and breast tissue?

Answer 11

Arterial thoracic artery

Question 12

2 main branches of brachial artery

Answer 12

deep brachial (post comps. arm)
muscular branches (2-5) ant. comps arm

Question 13

When brachial artery ends at distal part of cubital fossa, it divides into which 2 arteries?

Answer 13

Ulnar
Radial

Question 14

Ulnar A. supplies what?

Answer 14

Ulnar: elbow, med. ant. comp. forearm, deep ant. comp. forearm, post. comp. majority, wrist.
*deep and superficial arterial arch

Question 15

Radial A. supplies what?

Answer 15

lat side
elbow, lat. ant. comp. lat. post. comp., wrist

snuff box –> 1st interos. space in hand –> palm of hand (deep palmar arch)

*dorsal art. arch
* sup and deep palm. art. arch with ulnar

Question 16

Lateral or medial side?
1.) cephalic vein
2.) basilic

Answer 16

cephalic: lateral
basilic: medial (Basement-under)

Question 17

Cubital fossa

Answer 17

bicep tendon splits it in 2

lat. side- radial N. divides into 2 (sup. and deep)
med side- medial N. runs with brachial artery

Question 18

Bones of carpal tunnel?

Answer 18

pisiform
triquetrum
hamate
capitate
trapezoid
trapezium
(Tammy tells Timmy He Can’t Play)

Question 19

Axilla borders

Answer 19

ant.-pectoral region
post.- scapular region
med.-upper 4 ribs, upper serratus ant. that attaches to these ribs
lat- upper humerus

Question 20

Contents of Axilla

Answer 20

Ax. artery
Ax. vein
Ax. lymphs
Brachial plexus

Question 21

Borders cubital fossa

Answer 21

lat- med. brachioradialis
sup.- between epicondyles
med.- lat. pro. teres

Question 22

Contents of cubital fossa

Answer 22

med. N.
deep radial N.
brachial A.
ulnar A.
radial A.
biceps. brachii T.

Question 23

Quadrangular space borders

Answer 23

1. teres minor
2. long head triceps
3. lat head triceps
4. teres major

Question 24

Contents of quadrangular space

Answer 24

post. hum. circ. A
Axillary N.

Question 25

Triangular space

Answer 25

lat-med. margin long head triceps
Inf.- sup. margin teres major
Sup.-inf. of teres minor

Question 26

Contents triangular space

Answer 26

circ. scap. A.
circ. scap V.

Question 27

Contents triangular interval space

Answer 27

profunda brachii A
radial N.

Question 28

Tri. int. space boreders

Answer 28

1. teres major
2. long head triceps
3. lat. head triceps

Question 29

Carpal tunnel contents

Answer 29

9 tendons/ 1 nerve
flex. dig. sup x4
flex. dig. pro x4
median nerve