Exam 1 Spaces Flashcards
scapular notch w/ superior transverse scapular ligament
suprascapular artery –> over the ligament
suprascapular nerve –> under the ligament
inferior transverse scapular ligament
dorsal scapular artery and dorsal scapular nerve run under the ligament
quadrangular space borders
superior –> teres minor
medial –> long head of the triceps
lateral –> lateral head of the triceps
inferior –> teres major
quadrangular angle contents
axillary nerve
posterior circumflex artery
triangular space borders
superior –> teres minor
inferior –> teres major
lateral –> long head of the triceps
triangular space contents
circumflex scapular artery
dectopectoral triangle boundaries
superior –> clavicle
medial –> pec major
lateral –> deltoid
dectopectoral triangle contents
cephalic vein and deltoid branch of thoracocolumbar trunk
triangular interval boundaries
superior –> teres major
lateral –> lateral head of the triceps
medial –> long head of the triceps
triangular interval contents
radial nerve
profunda brachii artery
cubital fossa boundaries
roof –> skin, subcutaneous tissue, brachial fossa, bicipital aponeurosis
superior–> imaginary line connecting medial and lateral epicondyles of the humerus
medial –> pronator teres
lateral –> brachioradialis
floor –> brachialis and supinator
contents of cubital fossa
basilic, cephalic and median cubital veins
biceps brachii tendon
brachial artery
median nerve
axilla boundaries
apex -> lateral margin of 1st rib, clavicle, superior margin of the subscapularis
base –> skin of armpit, subcutaneous tissue, axillary fascia
anterior –> pec major and minor
posterior –> subscapularis, teres major, latissimus dorsi
medial –> upper thoracic wall
lateral –> bicipital groove
axilla contents
lymphatic vessels and lymph nodes
axillary artery (and its branches)
axillary vein
brachial plexus
anatomical snuffbox boundaries
lateral –> abductor pollicis longus tendon, extensor pollicis brevis
medial —> extensor pollicis longus tendon
anatomical snuffbox contents
radial artery
cephalic vein
lateral antebrachial cutaneous nerve
superficial branch of radial nerve
structures passing the flexor retinaculum superficial
palmaris longus tendon, ulnar artery, ulnar nerve, flexor carpi ulnaris tendon
structures passing through the flexor retinaculum deep
carpal tunnel –> flexor digitorum superficialis tendons, flexor digitorum profundus tendons, flexor pollicis longus tendon, median nerve
compartment of flexor carpi radialis tendon –> flexor carpi radialis tendon
compartments under extensor retinaculum
- abductor pollicis longus and extensor pollicis brevis
- extensor carpi radialis longus, extensor carpi radialis brevis
- extensor pollicis longus
- extensor digitorum, extensor indicis
- extensor digiti minimi
- extensor carpi ulnaris
thenar compartment contents
tendon of flexor pollicis longus, thenar muscles except adductor pollicis (abductor pollicis brevis, flexor pollicis brevis, oppens pollicis), recurrent branch of median nerve
hypothenar compartment contents
hypothenar muscles (abductor digiti minimi, flexor digiti minimi, oppens digiti minimi)
deep branch of ulnar nerve
adductor interossei compartment
adductor pollicis, interossei
dorsum
tendons of extensor digitorum, extensor indicis, extensor digiti minimi, extensor pollicis brevis, dorsal carpal arch and branches
central compartment contents
flexor tendons of fingers, lumbricals, superficial palmar arch, digital vessels and nerves (ulnar and median N.)
