SPACES

Question 1

triangular space

Answer 1

Inferior: teres major
Lateral: long head of triceps
Medial: teres minor
Contents: circumflex scapular artery, radial nerve, brachial artery

Question 2

quadrangular space

Answer 2

Superior: teres minor
Inferior: teres major
Lateral: neck of humerus
Medial: long head of triceps 
Contents: axillary nerve

Question 3

cubital space

Answer 3

A. superior border= imaginary line between medial and lateral epicondyles
B. medial border=pronator teres
C. lateral border=brachioradialis
D. floor=brachialis, supinator, and biceps brachii muscles
E. roof=skin, hypodermis, and fascia
F. Median nerve, brachial artery, bicep tendon, radial nerve

Question 4

Snuff box

Answer 4

Lateral- Extensor pollicis brevis
Medial- Extensor pollicis longus
Proximal- extensor retinaculum
Contents: radial artery

Question 5

carpal tunnel

Answer 5

Flexor retinaculum- prevents bow stringing

10 tendons + median N

Superficialis (4 tendons), Profundus (4 tendons), Flexor pollicis longus, flexor carpi radialis (goes in but not through)

Median Nerve**

Question 6

Axilla

Answer 6

A) Anterior axillary fold = pectoralis major
B) Posterior axillary fold=latissimus dorsi, and teres major (superior)
C) Medial Wall: serratus anterior
D) Lateral Wall: humerus
E) Apex= formed by clavicle, 1st rib, superior edge of scapula
F) Base=skin, subcutaneous tissue, and fascia
G) Contents: axillary artery, axillary vein, lymph vessels/nodes, brachial plexus