Upper extremity overview

Question 1

o S-shaped bone that connects upper extremity to axial skeleton
o Acts as a strut to hold upper limb in a lateral position

Answer 1

Clavicle

Question 2

anterior projection of scapula

Answer 2

coracoid process

Question 3

what covers the o Suprascapular notch

Answer 3

superior transverse scapular ligament

Question 4

protections on the humerus are called

Answer 4

greater and lesser tubercle

Question 5

between the greater and lesser tubercle is the

Answer 5

• Intertubercular (bicipital) groove

Question 6

what is within the Intertubercular groove

Answer 6

long head of biceps brachii

Question 7

between head and tubercles

Answer 7

anatomical neck

Question 8

ball shaped structure on distal humerus; articulates with radial head

Answer 8

Capitulum

Question 9

spool shaped structure on distal humerus; articulates with proximal ulna

Answer 9

Trochlea

Question 10

on posterior shaft; oblique groove for radial nerve & deep artery of the arm

Answer 10

Radial groove

Question 11

what type of joint is the SC

Answer 11

Synovial joint

Question 12

movements permitted at the SC

Answer 12

anterior/posterior and superior/inferior

Question 13

movements at AC

Answer 13

o Allows the acromion to rotate on the clavicle

Question 14

describe the scapulohumeral rythum

Answer 14

Every 2 degrees of glenohumeral motion is associated with 1 degree of scapulothoracic movement

Question 15

♣ Superficial fascia

Answer 15

o Contains: fat, cutaneous nerves, superficial veins, lymphatic vessels, lymph nodes

Question 16

In the arm, the brachial fascia gives rise to two septa that divide the arm into 2 compartments

Answer 16

1. anterior

2. Posterior

Question 17

In the arm, the (?) fascia gives rise to two septa that divide the arm into 2 compartments

Answer 17

brachial

Question 18

• Arises from the lateral aspect of the dorsal venous network

Answer 18

o Cephalic vein

Question 19

The cephalic vein enters what space to drain into the axillary vein

Answer 19

deltopectoral triangle

Question 20

Cephalic vein drains into what vein

Answer 20

axillary vein

Question 21

• Arises from medial aspect of the dorsal venous network

Answer 21

o Basilic vein

Question 22

what two veins form the axillary vein

Answer 22

Basilic vein

brachial veins

Question 23

site of venipuncture

Answer 23

Median cubital vein

Question 24

• Crosses superficial in the cubital fossa

* Empties into the basilic vein

Answer 24

Median cubital vein

Question 25

Median cubital vein : A common variation: median antebrachial vein, which divides into

Answer 25

median cephalic and median basilic veins

Question 26

Superficial lymphatic vessels accompanying the cephalic vein first drain into

Answer 26

deltopectoral or axillary lymph nodes (note: if drainage is first to the deltopectoral nodes, the lymph then drains to the axillary nodes)

Question 27

Superficial lymphatic vessels accompanying the basilic vein first drain into

Answer 27

♣ cubital lymph nodes, then drain into the axillary lymph nodes

Question 28

♣ Deep lymphatic vessels accompany deep veins & drain into the

Answer 28

axillary lymph nodes

Question 29

what is formed from ventral rami C5-T1

Answer 29

braphial plexus