Anatomy I Exam 2 Flashcards
outcropping muscles of the wrist
- abductor pollicis longus
- extensor pollicis brevis
- extensor pollicis longus
insertion of extensor carpi radialis brevis
base of 3rd metacarpal
insertion of extensor carpi radialis longus
base of 2nd metacarpal
brachioradialis:
- origin:
- insertion:
- action:
- innervation:
- origin: proximal 2/3 of humerus
- insertion: distal radius (proximal to styloid process)
- action: flex forearm when it is pronated
- innervation: radial nerve
quadrilateral space
- boundaries
- contents
- boundaries: inferior glenohumeral capsule; teres major; triceps longus; surgical neck of humerus
- contents: axillary N; posterior circumflex humeral A
which rotator cuff M is most often torn
supraspinatus
anterior ulnar recurrent artery anastomoses with
inferior ulnar collateral
posterior ulnar recurrent artery anastomoses with
superior ulnar collateral
median N relationship with brachial artery
- lateral to artery in upper half of brachium
- medial to artery in lower half of brachium
ulnar N runs with ____ ulnar collateral A and passes between ___
superior
two heads of flexor carpi ulnaris M
cubital fossa boundaries
and contents
-brachioradialis M (lateral); pronator teres M (medial); line between two humeral epicondyles (superior); supinator and brachialis M and bicipital aponeurosis (roof)
-biceps tendon; brachial A; median N
(from lateral to medial = TAN)
relationship of musculocutaneous N to biceps and brachialis Mm
runs between
what Mm make up the anatomical snuff-box
- abductor pollicis longus
- extensor pollicis brevis
- extensor pollicis longus
what Mm make up hypothenar eminence
- abductor digiti minimi
- flexor digiti minimi brevis
- opponens digiti minimi
