Median Nerve Flashcards
Median nerve comes off of the brachial plexus at:
lateral and medial cords
enters the arm from the _____ at
axilla at the inferior margin of the teres major
passes vertically down the _____ side of the arm and in the _____ compartment
medial side of arm and the anterior compartment
proximal regions the m.n. is immediately ______ to
lateral to the brachial artery
distally the m.n. ______ and lies _____
crosses to the medial side of the artery and lies anterior to the elbow joint
it exits the ______ by passing _____ and ______
exits cubital fossa by passing between the 2 heads of the pronator trees and deep to the sublimis bridge
immediately branches into:
Anterior Interosseous
Median Nerve Proper
Anterior Interosseous supplies the _____
deep muscle layer
deep muscle layer are the;
flexor digitorum profundus (LATERAL)
flexor pollicis longus
pronator quadraus
the exception of this branch
the ulnar half of the FDP
The Median Nerve proper supplies the ______
superficial layer
intermediate layer
the Superficial layer are the:
pronator teres
flexor carpi radialis
Palmaris longus
the Intermediate layer is:
Flexor digitorum superficialis
The Median proper gives rise to:
Palmer cutaneous branch
the Palmer branch supplies
the skin over the base of the central region of the palm
skin of the distal mid anterolateral forearm
the Median proper crosses the wrist at:
through the carpal tunnel
superficial to the synovial sheaths
deep to the flexor retinaculum
Immediately branches into:
the Recurrent Branch
4 Palmer digital nerves
the Recurrent Branch supplies the:
Thenar muscles
the Thenar muscles are:
Abductor Pollicis Brevis
Flexor Pollicis Brevis
Opponenes Pollicis
The 4 Palmer Digital Nerves supplies:
the 2 lateral lumbercals
skin of the lateral 2.5 fingers and corresponding dorsal finger tips