Neck, Back, and Arm Anatomy Flashcards by Emma Moulton

pec major action

flexion, aDduction, and internal rotation of arm

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deltoid action

flexion, aBduction, and extension of arm

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teres major action

aDdction and internal rotation of arm

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teres minor action

external rotation of arm

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supraspinatous action

initial aBduction of arm

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infraspinatous action

external rotation of arm

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subscapularis action

aDduction and internal rotation

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boundaries and contents of quadrangular space

teres major, teres minor, 2 heads of triceps
axillary nerve and PCH

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biceps brachii actions

flex and supinate forearm

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coracobrachialis actions

aDducts and flexes arm

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triceps brachii actions

flexes forearm

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flexor carpi radialis actions

flexes and aBducts wrist

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flexor carpi ulnaris actions

flexes and aDducts wrist

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pronator teres actions

pronates forearm

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palmaris longus actions

flexes wrist and tenses palm of hand

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flexor digitorum superficialis actions

flexion of PIP, wrist, MCP joints

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flexor digitorum profundus actions

flexion of DIP, wrist, MCP joints

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flexor pollicis longus actions

flex thumb (1st digit)

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pronator quadratus actions

pronates forearm

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brachioradialis actions

flexes elbow

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extensor carpi radialis longus actions

extends wrist

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extensor carpi radialis brevis actions

extends wrist

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anconeus actions

extends wrist

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extensor digitorum actions

extends digits

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extensor digiti minimi actions

extends 5th digit

extensor carpi ulnaris actions

extends wrist

supinator actions

supination

aBductor pollicis longus actions

aBducts and extends thumb

extensor pollicis longus actions

extends thumb (1st digit)

extensor pollicis brevis actions

extends thumb (1st digit)

extensor indices actions

extends index finger (2nd digit)

flexor retinaculum does what

holds flexor tendons in place it is the roof of carpal tunnel

which 2 tendons form snuff box

extensor pollicis longus extensor pollicis brevis

muscles of hand are called

lumbricals

pec major innervation

medial and lateral pectoral nerves

deltoid innervation

axillary nerve

supraspinatous innervation

suprascapular nerve

infraspinatous innervation

suprascapular nerve

biceps brachii innervation

musculocutaneous nerve

brachialis innervation

musculocutanous nerve

where to find suprascapular nerve

posterior triangle of neck

where to find brachial trunks

between anterior and middle scalenes

coracobrachialis innervation

musculocutaneous nerve

triceps brachii innervation

radial nerve

the deep brachial artery is a branch of ... and can be seen ...

brachial artery deep to triceps

brachial artery extends from the ...

axillary artery

batch area innervation

this is skin over shoulder axillary nerve

medial arm innervation

medial brachial cutaneous nerve

posterior arm innervation

radial nerve

veins of cubital fossa

lateral: basilic median antibrachial vein medial: cephalic

ligaments of elbow joint

medial: ulnar collateral ligament lateral: radial collateral ligament across: annular ligament of radius

forearm flexor compartment innervation

median nerve

forearm extensor compartment innervation

radial nerve

extensor compartment is (anterior/posterior)

posterior

flexor compartment is (anterior/posterior)

radial artery is a branch of

brachial artery

ulnar artery is a branch of

brachial artery

common interosseous artery is a branch of

ulnar artery

ulnar nerve innervates what muscles of forearm

flexor carpi ulnaris flexor digitorum profundus (1/2)

cutaneous innervation anterior forearm

medial antebrachial cutaneous nerve

cutaneous innervation lateral forearm

lateral antebrachial cutaneous nerve

cutaneous innervation posterior forearm

radial nerve

trapezius actions

of scapula: elevation depression retraction rotation

latissimus dorsi actions

of arm: extends aDducts internally rotates

rhomboids actions

retract and rotate scapula

levator scapulae actions

elevates and rotates scapula

splenius actions

extends, flexes, and rotates the head

erector spinae actions

extends, flexes, laterally flexes the trunk

trapezius innervation

CN 11

latissimus dorsi innervation

thoracodorsal nerve

rhomboids innervation

dorsal scapular nerve

levator scapulae innervation

dorsal scapular nerve

splenius innervation

dorsal rami (splenius is a paraspinal muscle)

erector spinae innervation

dorsal rami (erector spinae is a paraspinal muscle)

ventral rami of the terminal branches of the brachial plexus

Neck, Back, and Arm Anatomy Flashcards

(93 cards)