Anatomy Brachial Plexus

Front 1

innervating most of the muscles the upper limb this nerve plexus is an interminigling of nerve fibers from the ____rami of C5-T1

Back 1

Brachial Plexus
ventral rami

Front 2

Rami form nerve plexus called _____that divide into ant & post ___

Back 2

trunks
divisions

Front 3

Divisions reflect the ___ of the upper limb because anterior divsions supply _____muscles and posterior divisions supply

Back 3

embryology
preaxial
post axial

Front 4

Anterior & post divisions join to form nerve structures called

Back 4

chords

Front 5

Each chord of the brachial plexus into two _____

Back 5

terminal branches

Front 6

Postgang symp fibers join the ventral primary rami via ________and distribute witht he branches of the brachial plexus

Back 6

gray rami communicantes

Front 7

The brachial plexus contains __ parasymp fibers in these branches to structures in the upper limb

Back 7

no

Front 8

are the most proximal portion of the brachial plexus

Back 8

vental rami

Front 9

Two nerves arise from the rami

Back 9

dorsal scapular nerve & long thoracic thoracic nerve

Front 10

dorsal scapular nerve arise from ___ innervates the inferior slips of the ____ and ______muscles

Back 10

C5, levator scap
rhomboid maj & minor

Front 11

Long throacic nerve arises from the ventral rami of ___ and ___ supplies the ___ muscle

Back 11

C5,6,7
serratus anterior

Front 12

_____trunks of the brachial plexus are located in the

Back 12

Three
posterior triangle of the neck

Front 13

nerve arises from ___ & ___ innervates supraspinatus & infraspinatus muscles gives an articular branch to the should jt.

Back 13

suprascapular nerve
C5&6

Front 14

Nerve to the ____ C5&6 innervates the subclavius muscle

Back 14

subclavius

Front 15

The middle trunk is the continuation of the ___ramus,

Back 15

C7

Front 16

The ___trunk is formed by the rami of __ and __ Neither trunk gives rises to nerves

Back 16

inferior
C8 & T1

Front 17

nerves arise directly from the divsions of the brachial plexus

Back 17

No

Front 18

Three cords of the brachial plexus are located in the ___ and are named with respect to the part of the ____ deep to the pectoralis minor muscle

Back 18

axilla
axillary artery

Front 19

formed from the anterior divisions of the superior and middle trunks Three nerves arise directly from the lateral cord

Back 19

lateral cord (C5-7)

Front 20

nerve (C5-7) innervates the pectoralis maj (clavicular head )

Back 20

lateral pectoral head

Front 21

nerve (C5-7) invvervates the three flexo muscles in the arm and supplies the elbow jt and skin on the laterl side of the forearm. One of the two terminal branches of the lateral cord.

Back 21

musculocutaneous nerve

Front 22

terminal branch (C5-7) of the lateral cord is joined by a contribution from the medial cord to form the median nerve

Back 22

lateral root of the median nerve

Front 23

lateral root of the median nerve innervates ___ muscles of the flexor forearm and ___ intrinsic muscles of the hand

Back 23

6.5
5

Front 24

The ___ nerve supplies the ___and ___ jts and the skin of most of the palmar surface of the hand

Back 24

elbow
wrist

Front 25

is the continuation of the anterior division of the inferior trunk. 5 nerves aris directly from the medial cord

Back 25

medial cord (C8-T1)

Front 26

nerve innervates the pectoralis minor and part of the maj (sternocostal head)

Back 26

medial pectoral nerve

Front 27

nerve (C8-T1) provides cutaneous innervation to the medial side of the arm

Back 27

medial brachial cutaneous nerve

Front 28

nerve (C8-T1) provides cutaneous innervation to the medial side of the forearm

Back 28

medial antebrachial cutaneous nerve

Front 29

innervates (C8-T1) 1.5 muscles of the flexor forearm and most of the intrinsic muscles of the hand

Back 29

Ulnar nerve, supplies elbow, wrist jts and the skin on the medial surfaces of the hand. one of the terminal branches of the medial cord.

Front 30

terminal branch (C8-T1) of the medial cord joined by the lateral root to form the median nerve (C5-8,T1)

Back 30

medial root of median nerve

Front 31

arrangement of the musculocutaneous median & ulnar nerves anterior to the axillary artery form the letter

Back 31

M

Front 32

formed from the posterior divisions of all three trunks

Back 32

posterior cord

Front 33

arise directly from the posterior cord

Back 33

five nerves

Front 34

nerve (C5,6) innervates part of the subscapularis muscle

Back 34

upper subscapular nerve

Front 35

nerve (C5,6) innervates the latissimus doris

Back 35

thoracodorsal nerve

Front 36

nerve (C5,6) innervates teres major and subscapularis

Back 36

lower scapular nerve

Front 37

nerve (C5,6) innervates the deltoid & teres minor, supplies the should jt adn skin over the inferior half of the deltoid and adjacent arm

Back 37

axillary nerve

Front 38

terminal branch (C5-T1) of the posterior cord innervates all the extensor muscles of the arm and forearm, supplies elbow & wrist jts, skin of post arm, forearm, some dorsum of hand

Back 38

radial nerve

Front 39

injury to ____usually result from excessive separation of the neck and should

Back 39

upper part of the brachial plexus

Front 40

Rami of the spinal nerves C5,6 may be pulled out of the spinal cord or the superior trunk may be torn leisions are known as

Back 40

Erb-Duchenne paralysis cause upper limb to hand in the characteristic of a waiter's tip position

Front 41

Injury to the lower part of the brachial plexus result if the upper limb is suddenly pulled ___

Back 41

Superiorly, invovle injury to lower part of the plexus (C8-T1, most hand intrinsic muscles are paralyzed (Klumpke's paralysis claw hand

Front 42

Acessory rib can stretch and damage the inferior trunk (C8-T1) causing

Back 42

cervicle rib synd.

Front 43

Damage to the ______can result in paralysis of the ____. as a consequence the meidal border of the scapula becomes unusually prominent giving a appperance of a ___

Back 43

long throacic nerve
serratus anterior
Winged scapula