Term
What is the brachial plexus? |
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Definition
large networks of nerves to UE extending from neck into axilla. |
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Term
What is the order of the subdivision of the brachial plexus? |
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Definition
rami or roots, trunks, divisions, cords and their branches (nerves) |
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Term
the brachial plexus is fromed by union of ventral rami of what nerves? |
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Definition
C5-8 and greater part of T1 |
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Term
the brachial plexus lies between which 2 ms? |
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Definition
anterior and medial scalene |
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Term
What is the typical plan of the brachial plexus? |
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Definition
ventral ramus, trunk, division, cord, branches |
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Term
what spinal nerves contribute to the suprerior trunk of the brachial plexus? |
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Definition
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Term
What contributes to the inferior trunk of the brachial plexus? |
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Definition
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Term
t or f : each trunk contributes to the anterior and posterior divisions. |
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Definition
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Term
what is formed by contributions from the anterior divisions of the superior and midle trunks of the brachial plexus? |
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Definition
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Term
what is formed by the contributions from the anterior division of the inferior trunk? |
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Definition
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Term
what is formed by contributions from the posterior divisions of the superior, midle and inferior trunks? |
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Definition
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Term
What cord of the brachial plexus is lateral to axillary artery, inferior to coracoid process and medial to tendon of coracobrachialis? |
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Definition
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Term
what cord of the brachial plexus is medial to axillary artery, somewhat parallels the coracoid process and is anterior to upper part of the serratus anterior muscle? |
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Definition
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Term
what cod of the brachial plexus is posterior to axillary artery, anterior to upper part of serratus anterior muscle, and parallels long thoracic nerve? |
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Definition
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Term
What branches off the posterior cord? |
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Definition
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Term
the lateral cord gives off to what branches? |
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Definition
musculocutaneous and median . it is the lateral root of the median nerve. |
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Term
what three nerve branches are arranged like a capital M? |
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Definition
musculocutaneous median and ulnar |
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Term
The supraclavicular part is located in which part of the neck? |
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Definition
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Term
the four branches of the supraclavicular part are??? |
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Definition
dorsal scapular nerve, long thoracic nerve, nerve to subclavius, suprascapular nerve |
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Term
the dorsal scapular nerve come from what spinal nerves? |
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Definition
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Term
long thoracic nerve comes from what spinal nerves? |
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Definition
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Term
the nerve to subclavius comes from what spinal nerves? |
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Definition
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Term
the suprascapular nerve comes from what spinal nerves? |
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Definition
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Term
the dorsal scapular nerve innervates what mmuscles? |
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Definition
levator scapulae, rhomboids |
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Term
the long thoracic nerve innervates what muscle? |
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Definition
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Term
the nerve to subclavius innervates what msucle and what joint? |
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Definition
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Term
the suprascapular nerve innervates what muscles and what joint? |
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Definition
supraspinatus nad infraspinatus mm and shoulder joint |
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Term
what muscle does the dorsal scapular pierce and runs deep to what other muscle, which it helps to supply? |
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Definition
scalenus medius,... deep to levator scapula |
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Term
the dorsal scapular enters what muscles which is supplies? |
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Definition
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Term
the suprascapular passes across what triangle of the neck? and superior to what plexus? |
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Definition
posterior triangle and superior to brachial plexus |
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Term
does the suprascapular nerve pass throught the scapular notch? |
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Definition
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Term
what two muscles and joint does the suprascapular supply? |
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Definition
supraspinatus, infraspinatus and shoulder joint |
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Term
what nerve passes the posterior aspect of superior trunk? (C5 and 6) (C4?) |
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Definition
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Term
what nerves passes the poserior aspect of the ventral ramus of C5 (C4?) |
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Definition
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Term
What nerve passes the posterior aspect of ventral rami of C5-7 |
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Definition
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Term
what nerve passes throught the apex of axilla posterior to other componenents of the brachial plexus? |
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Definition
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Term
the long thoracic supplies what muscle? |
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Definition
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Term
roots from C5-6 of the long thoracic peirces what muscle |
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Definition
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Term
Roots of C7 of the long thoracic nerve pass anterior to what muscle? |
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Definition
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Term
what nerve passes the anterior aspect of the superior trunk from chiefly C5 (C4 and 6??) |
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Definition
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Term
what nerve descends posterior to clavicle and anterior to brachial plexus? |
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Definition
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Term
what nerve supplies the subcalvius muscle and SC joint? |
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Definition
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Term
what are the three branches of the lateral cord? |
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Definition
lateral pectoral nerve (C5-7), musculocutaneous (C5-7) and lateral root of median nerve (C6-7) |
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Term
What nerve from the lateral cord pierces the clavipectoral fascia? |
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Definition
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Term
what does the lateral pectoral nerve supply? |
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Definition
pectoralis major muscle and via medial pectoral nerve to pectoralis minor muscle. |
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Term
musculocutaneous nerve is one of the terminal branches of the lateral cord...T/F? |
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Definition
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Term
the musculocutaneous nerve innervates whats part of the arm? |
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Definition
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Term
the musculocutaneous nerve enters deep surface of what muscle? |
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Definition
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Term
what nerve is proximal to elbow, pierces deep fascia and becomes superficial. Now called lateral antebrachial nutaneous nerve and supplies skin on the lateral aspect of forearm. |
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Definition
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Term
the lateral root of median nerve is the one of the branches of the lateral cord.T/F? |
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Definition
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Term
what nerve root does the lateral root of median nerve join to form median nerve lateral to axillary artery |
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Definition
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Term
the lateral root of the median nerve supplies what muscles? |
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Definition
flexor muscles in forearm, except FCU, and skin on hand |
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Term
What are the five branches of the medial cord? |
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Definition
medial pectoral n (8-T1), Medial brachial cutaneous n(C8-T1), Medial antebrachial cutaneous n (C8-T1), Ulnar n (C8-T1; C7), Medial root of median n (C8-T1) |
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Term
The medial pectoral nerve supplies which muscles? |
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Definition
pectoralis major and minor |
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Term
the medial brachial cutaneous nerve supplies what area of the body? |
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Definition
skin over medial surface of the arm and proximal part of forearm |
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Term
the medial antebrachial cutaneous nerve runs between what artery and vein? |
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Definition
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Term
What part of the body does the medial antebrachial cutaneous nerve supply? |
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Definition
skin of medial surface of forearm |
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Term
what does the ulnar nerve supply? |
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Definition
1 and 1/2 in forearm, most small muscle in the hand and some skin |
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Term
the ulnar nerve innervates what muscles? |
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Definition
FCU, FDP, palmaris brevin, hypothenar muscles, lubricals to digits 4 and 5, all interossei, and adductor pollicis. |
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Term
what does the medial root of the median nerve innervate? |
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Definition
flexor muscles in forearm, except FCU, and skin on the hand. |
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Term
what are the branches of the posterior cord? |
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Definition
upper scapular n (C5-6), thoracodorsal n (C6-8), lower subscapular n (C5-6), Axillary n (C4-7), Radial nerve (C5-8 and T1) |
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Term
upper subscapular nerve supplies what muscle? |
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Definition
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Term
the thoracodorsal nerve arises between what 2 nerves? |
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Definition
the upper and lower subscapular nerve |
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Term
what muscle does the thoracodorsal nerve innervate? |
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Definition
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Term
what nerve passes inferolateral, deep to subscapular artery and vein? |
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Definition
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Term
the lower subscapular nerve supplies what muscles |
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Definition
subscapularis and teres major muscles |
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Term
is an axillary nerve a terminal branch? |
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Definition
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Term
what nerve passes the posterior aspect of arm through quadrangular (quadrilateral) space with posterior circumflex humeral vessels. |
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Definition
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Term
what nerve winds around the surgical neck of the humerus? |
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Definition
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Term
what nerve innervates the teres minor and deltoid muscles, and shoulder joint?? |
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Definition
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Term
what nerve ends as upper lateral brachial cutaneous nerve which supplies skin over inferior half of deltoid and adjacent areas of arm |
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Definition
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Term
is the radial nerve a terminal branch? |
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Definition
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Term
what nerves leaves the axilla and runs posterior inferior and lateral between the long and medial heads of the triceps muscles |
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Definition
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Term
what nerve enters the radial groove in the humerus? |
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Definition
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Term
what muscles does the radial nerve innervate? |
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Definition
triceps, anconeous, brachioradialis, extensor muscles of forearm and skin of extensor region, including hand |
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