Quiz 3 Flashcards
What does the radius articulate with on the humerus?
capitulum
What does the ulna articulates with on the humerus
trochlea
musculocutaneous contains nerve from which spinal nerves
c6, c7
How is the musculocutaneous identified
pierces coracobrachialis
what nerve travels between the biceps and brachialis
MC
MC nerve changes name to __ __ __ nerve after emerging ____ to the biceps tendon at the elbow
lateral antebrachial cutaneous
latearl
Where does radial nerve split into deep and superficial branches?
after elbow
Where in the arm can the radial nerve be easily injured
on the anterior side when it emerges lateral to the elbow
Alex?
Wants to date you…
Which artery follow the radial artery into the radial groove?
profunda brachii/ deep brachial artery
What are the two branches of the brachial artery, and when does it branch
radial and ulnar…and this division happens as it passes the elbow
What are vena comitantes?
deep veins that follow each of the major arteries
t/f superficial veins run independently of arteries
t
what connects cephalic and basilic veins?
median cubital veins
which one is more lateral cephalic or basilic?
cephalic
There is a special neurovascular bundle in the arm. Where is it, and what’s in it?
The median and ulnar nerve and the brachial artery are all in this bundle on the medial side of the arm between the flexor and extensor muscles
What forms the border of the cubital fossa
imaginary line between lateral and medial epicondyle and borders of pronator teres and brachioradialis
What are the structures that are most likely to be damaged in the cubital fossa
brachial artery and median nerve
What is the mnemonic for remembering the structures in the cubital fossa
from lateral to medial
TAN
What structure travels around the posterior surgical neck of the humerus ?
radial groove
How many branches do the median and ulnar nerves have in the arm combined?
0
What nerve innervates the kin of the anterolateral forearm
lateral antebrachial cutaneous
most movement in the wrist is at which joint?
radiocarpal
t/f there are collateral ligaments at the wrist
true
What is stronger, ligaments on dorsal or ventral part of the wrist
ventral
does forced flexion or extension cause fractures more?
extension
flexor digitorum sup inserts on which phalanx
middle
flexor digitorum profund inserts on which phalanx
distal
where does radius split into deep and superficial branches
after crossing anterior to the lateral epicondyle
is the deep branch of the radial nerve afferent or efferent
efferent
posterior interosseous is a branch of which nerve
radial
deep branch turns into the posterior interossesous after piercing what?
supinator
anterior and posterior interosseous arteries are a branch of what artery
ulnar
which tendon is in the flexor retinaculum?
tendon of the FCR
