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Flashcards in MSK Spaces of the UL Deck (24):
1

What makes the medial wall of the axilla?

Serratus anterior and the thoracic wall (ribs and intercostal muscles)

2

What makes the lateral wall of the axilla?

Intertubecular groove of the humerus

3

What makes the anterior wall of the axilla?

Pectoralis major and minor

4

What makes the posterior wall of the axilla?

Subscapularis, teres major and latissimus dorsi

5

What makes up the apex of the axilla?

The lateral border of the first rib, the superior border of the scapula and the posterior border of the clavicle

6

What makes up the base of the axilla?

Skin/Fascia

7

What are the contents of the axilla?

Axillary artery and vein, brachial plexus, biceps brachii, coracobrachialis and axillary lymph nodes

8

What contents of the axilla are encased by the axillary sheath?

Axillary artery, Axillary vein and cords and branches of the brachial plexus.

9

What is the anatomical snuff box?

A triangular depression found on the lateral aspect of the dorsum of the hand
Located at the level of the carpal bones

10

What are the contents of the anatomical snuff box?

Radial artery
Branch of radial nerve
Cephalic vein

11

What does thinking about the anatomical snuff box help you to remember?

That part of the sensory supply of the hand is the radial nerve

12

What makes up the medial border of the anatomical snuff box?

Tendon of extensor pollicis longus

13

What makes up the lateral border of the anatomical snuff box?

Tendon of abductor pollicis longus and extensor pollicis brevis

14

What makes up the proximal border of the anatomical snuff box?

Styloid process of the radius

15

What makes up the floor of the anatomical snuff box?

Carpal bones, scaphoid and trapezium

16

What makes up the roof of the anatomical snuff box?

Skin

17

What are the contents of the cubital fossa?

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Radial Nerve
Biceps Tendon
Brachial Artery
Median Nerve

18

What is the lateral border of the cubital fossa?

Medial border of brachioradialis

19

What is the medial border of the cubital fossa?

Lateral border of pronator teres

20

What is the superior border of the cubital fossa?

An imaginary line between the epicondyles of the humerus

21

What is the floor of the cubital fossa?

Proximally- brachialis
Distally-supinator

22

What is the roof of the cubital fossa?

Skin and fascia reinforced by the bicipital aponeurosis

23

What are the layers of the carpal tunnel?

Deep carpal arch formed by the scaphoid and trapezium and the pisiform and hamate
Superficial layer: flexor retinaculum

24

What are the contents of the carpal tunnel?

9 tendons and 1 nerve
Flexor pollicis longus tendon
4 tendons from flexor digitorum superficialis
4 tendons from flexor digitorum profundus

Median nerve