Stop Forgetting Flashcards
blood supply of trapezius
transverse cervical artery
action of trapezius
elevate/depress scapula
retract scapula
action of latisimus dorsi
Medial rotation of arm.
Extends arm.
Adducts arm.
levator scapulae origin/insertion
O: transverse processes T1-T4
I: superior medial border of scapula
levator scapulae innervation
dorsal scapular nerve
rhomboid major/minor innervation
dorsal scapular nerve
teres major innervation
lower subscapular nerve (same as inferior part of subscapularis
teres major blood supply
circumflex scapular artery (same as minor)
teres minor blood supply
circumflex scapular artery (same as major)
deltoid blood supply
posterior circumflex humeral artery
pectoralis major/minor blood supply
pectoral branch of thoracoacromial artery
origins of heads of biceps/ insertions
Long: supraglenoid tubercle
Short: coracoid process of scapula
INSERT: radial tuberosity, bicepital aponeurosis
coracobrachialis actions
arm flexion
arm adduction
Resists anterior dislocation of shoulder
brachialis insertion
coronoid process of ulna
origin/insertion of triceps brachii
ORIGIN
Long: infraglenoid tubercle of scapula
Lateral: superior to radial groove
Medial: inferior to radial groove
INSERT
olecranon
pronator teres origin/insertion
ORIGIN
humeral head: common flexor tendon
ulnar head: coronoid process
INSERT
radius
pronator teres blood
Ulnar,
Anterior ulnar recurrent
supinator innervation
deep radial n. (passes thru, then becomes posterior interosseous nerve)
adductor pollicis nerve/blood
deep branch of ulnar nerve
deep palmar arch
lumbricals innervation
1+2: median nerve
3+4: deep branch of ulnar nerve
palmar interossei innervation
deep branch of ulnar nerve (same as DABs)
dorsal interossei innervation
deep branch of ulnar nerve (same as PADs)
hypothenars: innervation and blood
ulnar artery
deep branch of ulnar nerve
trace blood supply to SA node
Right coronary artery –> atrial branch –> SA nodal branch
what 2 things do not drain into the coronary sinus?
1) thebesian veins
2) anterior cardiac veins