Nerves (2) Flashcards
What are nerves above the clavicle called?
Supraclavicular
What are nerves below the clavicle called?
Intraclavicular
What are the 5 categories from left to right of the brachial plexus?
Rami
Trunks
Divisions
Cords
Branches
What are the nerves of the brachial plexus from top to bottom?
Musculocutaneous
Axillary
Radial
Median
Ulnar
Paresis
Weakness
Paralysis
No movement
What do the branches of nerves that come off the cervical plexus help do?
Swallow
What are the levels of the phrenic nerve?
C3-5
Where does the subclavian artery turn into the axillary artery at?
Lateral border of 1st rib
Where does the axillary artery turn into the brachial artery at?
Teres major
Where do axons from the radial nerve start or terminate?
Homunculus
What are the two types of strokes?
Transient ischemic attack
Hemorrhagic
What does the anterior cerebral artery supply?
Medial frontal and parietal of brain
What does the middle cerebral artery supply?
Lateral side of brain
What does the posterior cerebral artery supply?
Lateral frontal and parietal
What is a hemorrhage above the dura called?
Epidural
What is a hemorrhage below the dura called?
Subdural
What is a hemorrhage below the arachnoid mater called?
Subarachnoid
What is the superior trunk of the brachial plexus?
Form the Union of C5-C6
What is the middle trunk of the brachial plexus?
Continuation of C7 nerve root
What is the inferior trunk of the brachial plexus?
Form the Union of C8 and T1 roots
What does the anterior division of the brachial plexus supply?
Anterior compartments of upper limbs
What does the posterior division of the brachial plexus supply?
Posterior compartments of upper limbs
What unites to form the lateral cord of the brachial plexus?
Anterior division of superior and middle trunks
What continues as the medial cord of the brachial plexus?
Anterior division of inferior trunk
What forms the posterior cord of brachial plexus?
Posterior divisions of all 3 trunks unite
What are the boundaries of the cubital fossa?
Superiorly by an imaginary line connecting medial and lateral epicondyles
Medially by flexor muscles of forearm (mostly pronator teres)
Laterally by extensor muscles (mostly brachioradialis)
What are the contents of the cubital fossa?
Terminal brachial artery
Deep accompanying veins of the arteries
Biceps brachii tendon
Median and radial nerve
What are boundaries of the carpal tunnel?
Deep to flexor retinaculum
Between tubercles of scaphoid and trapezoid bones on lateral side of Piriformis and medial side of hook of hamate
What are the contents in the carpal tunnel?
Median nerve
9 flexor tendons
