Getting on Your Nerves

prefixed

___ BNP presents a superior root of C4 and an inferior root of C8

postfixed

___ BNP presents a superior root of C6 and an inferior root of T2; inferior trunk may be compressed by 1st rib producing neuromuscular symptoms

posterior

___ division includes: axillary and radial branches

anterior

___ division includes: musculocutaneous, median, and ulnar branches

trapezius

accessory nerve (CN XI) innervates what muscle?

flexors

all muscles of the anterior compartment of the arm and forearm are ___ and are supplied by the lateral and medial cords of the BNP

extensors

all muscles of the posterior compartment of the arm and forearm are ___ and are supplied by the posterior cord of the BNP

flexor

anterior divisions of BNP supply anterior (___) compartments of upper limb

deltoid; teres minor

axillary nerve innervates which muscles?

musculocutaneous

coracobrachialis, biceps brachii, and brachialis are innervated by the ___ nerve

axillary

cords of BNP are named according to their relationship to ___ artery

axillary

deltoid and teres minor are innervated by the ___ nerve

levator scapulae; rhomboids

dorsal scapular nerve innervates which muscles?

ulnar

flexor carpi ulnaris and 1/2 flexor digitorum profundus are innervated by the ___ nerve; [if you had give up one this would be the nerve you forfeit]

pectorals

lateral and medial pectoral nerves innervate what muscle pair?

thoracodorsal

latissimus dorsi is innervated by the ___ nerve

dorsal scapular

levator scapulae and rhomboids (minor and major) are innervated by the ___ ___ nerve

serratus anterior

long thoracic nerve innervates what muscle?

teres major; lower subscapularis

lower subscapular nerve innervates which muscles?

median

most flexor muscles in forearm and 5 hand muscles are innervated by the ___ nerve; [also known as worker's nerve] ***

coracobrachialis; biceps brachii; brachialis

musculocutaneous nerve innervates which muscles?

lateral medial pectoral

pectorals (major and minor) are innervated by both the ___ and ___ ___ nerves

extensor

posterior divisions of BNP supply posterior (___) compartments of the upper limb

triceps brachii; anconeus; brachioradialis; ALL extensor muscles of forearm

radial nerve innervates which muscles?

long thoracic

serratus anterior is innervated by the ___ ___ nerve

subclavius

subclavian nerve innervates what muscle?

subclavian

subclavius is innervated by the ___ nerve

supraspinatus; infraspinatus

suprascapular nerve innervates which muscles?

suprascapular

supraspinatus and infraspinatus are innervated by the ___ nerve

t

t/f all branches are divided into two regions: supraclavicular (arise from roots and trunks of BNP and are approachable through neck) and infraclavicular/terminal branches (arise from cords of BNP and are approachable through axilla)

t

t/f factors affecting the stability of synovial joints: shape of articular surfaces, degree of bone to bone fit, cartilage/labrums/menisci; muscle tone; negative atmospheric pressure; capsular ligaments

t

t/f infraclavicular branch includes: musculocutaneous, median, ulnar, axillary, and radial nerves [also includes 7 other nerves]

t

t/f long thoracic nerve exits through anterior scalene muscle

t

t/f supraclavicular branch includes: dorsal scapular, long thoracic, subclavian, and suprascapular nerve

t

t/f the median nerve supplies no muscles in brachium

t

t/f the radius and ulna, along with the interosseous membrane between them, can be used as the divisions between the anterior and posterior compartments of the forearm

lower subscapular

teres major and lower subscapularis are innervated by the ___ ___ nerve

scalene

the BNP passes through the ___ triangle

humerus

the ___ can be used as a division between the anterior and posterior compartments of the arm

latissimus dorsi

thoracodorsal nerve innervates what muscle?

accessory (CN XI)

trapezius is innervated by the ___ nerve

radial

triceps brachii, anconeus, brachioradialis, ALL extensor muscles of forearm are innervated by the ___ nerve

flexor carpi ulnaris; 1/2 flexor digitorum profundus

ulnar nerve innervates which muscles?

upper subscapularis

upper subscapular nerve innervates which muscle?

upper subscapular

upper subscapularis is innervated by the ___ ___ nerve