Brachial Plexus Flashcards
Name the nerves that receive the gray ramus communicantes from the middle cervical ganglion of the sympathetic trunk.
C5 and C6.
Name the two nerves that form the inferior trunk of the brachial plexus.
C8 and T1.
The eighth cervical ventral ramus contributes the white ramus communicantes to the cervicothoracic ganglion. True/False.
False. T1 contributes the white ramus.
The supraclavicular branches are from the roots and trunks of the brachial plexus. True/False.
True.
The longus collies are innervated by ___.
C5-C8 with C2-C4.
The nerve to the phrenic nerve from the fifth cervical ventral ramus joins the phrenic nerve at the front of ___ muscle.
Scalenus Anterior.
The suprascapular nerve arises from ___ of the brachial plexus.
Superior trunk.
The suprascapular nerve enters the supraspinous fossa thru the scapular notch above the superior transverse scapular ligament. True/False.
False. Inferior to ligament.
The lateral cord of the brachial plexus is formed by ___ division of ___.
Anterior division of the superior and middle trunks.
Name the nerve which distributes to the deep medial surface of the pectoralis major.
Lateral pectoral nerve.
The upper subscapular nerve is from the ___ cord with ___ roots.
Posterior, C5 and C6.
Name the nerve that innervates the teres major.
Lower subscapular nerve.
Name the border of the quadrangular space thru where the axillary nerve passes.
Superior: Subscapularis, Teres Minor
Inferior: Teres Major
Medial: Long head of the Triceps
Lateral: Surgical neck of the humerus.
Name the nerve which gives off the upper lateral cutaneous nerve of the arm.
Axillary nerve.
Name the nerve which pierces the coracobrachialis.
Musculocutaneous nerve.
The lateral cutaneous nerve of the forearm is continuation of ___ nerve.
Musculocutaneous nerve.
Name the nerve which supplies the skin over the half of the anterior surface of the forearm.
Lateral cutaneous nerve of the forearm of the Musculocutaneous nerve.
The intercostobrachial nerve communicates with ___ on the arm.
Medial cutaneous nerve of the arm.
Name the nerve which is located between the two tendons of the flexor digitorum superficialis and the flexor carpi radialis, proximal to the flexor retinaculum.
Median nerve.
Name the nerve which arises from two cords of the brachial plexus.
Median nerve.
Name the nerve which innervates the flexor pollicis longus. ___ of ___.
Anterior interosseous nerve of median nerve.
Name the nerve which gives of the articular nerve to the elbow joint.
Median nerve.
The proximal radio ulnar joint is innervated by ___.
Articular branch of median nerve.
Name the nerve that innervates the lateral three and one half digits on the palmer surface.
Palmer cutaneous digital nerve branches of the median nerve.
