UE arteries and nerves Flashcards
Quadrilateral Space
teres major teres minor shaft of humerus long head of triceps brachii Contain: axillary nerve, posterior circumflex artery
Triangular Space
Teres major
Teres minor
Long head of triceps brachii
Contains: Circumflex scapular artery
Cubital fossa (borders)
brachiradialis
pronator teres
line between 2 epicondyles
Cubital fossa (contents)
medial cubital vein
biceps tendon
brachial artery
median nerve
Long thoracic nerve (innervation)
serratus anterior
Dorsal scapular (innervation)
rhomboids
levator scapulae
suprascapular
supraspinatus
infraspinatus
Nerve to subclavius
subclavius
Lateral pectoral
Pec major
Medial pectoral
pec major
pec minor
upper subscapular
subscapularis
thoracdorsal
latissimus dorsi
lower subscapular
subscapularis
teres minor
Musculocutaneus (innervation)
biceps brachii
brachialis
coracobrachialis
Radial nerve
continuation of the posterior cord of the brachial plexus
INNERVATION: extensor muscles of the arm, extensor muscles of the wrist
Axillary (innervation)
deltoid
teres minor
Median Nerve
Combination of medial and lateral cords of brachial plexus
INNERVATES: flexors of forearm, muscles of the thenar eminence of the hand
Ulnar Nerve
continuation of the lateral cord of the brachial plexus
INNERVATION: flexor muscles of the wrist, muscles of the hypothenar eminence of the hand, lateral intrinsic muscles of the hand
Axilla (borders)
first rib and thoracic wall
pec major and minor
subscapularis, latissimus dorsi, teres major
Axilla (contents)
brachial plexus
axillary artery
lymph nodes
fat
3 portions of axillary artery (where?)
part I: between clavicle and superior pec minor
part II: under pec minor
part III: between inferior pec minor and superior teres major
axillary artery part I
What arteries
supreme thoracic
axillary part II
what arteries?
thoracoacromial trunk
lateral thoracic
axillary part III
what arteries?
subscapularis-circumflex scapular, branch to latissmus dorsi
anterior circumflex humeral
posterior circumflex humeral
brachial artery (branches)
deep (profunda) brachial
superior ulna collateral
inferior ulna collateral
Radial artery (branches)
radial recurrent carpal arch princeps pollicis deep palmer arch superficial palmer arch
Ulnar artery (branches)
anterior ulnar recurrent posterior ulnar recurrent common interosseus-anterior and posterior carpal arch deep palmar arch superficial palmar arch
