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PTAP 140
AOIN
44
Anatomy
Undergraduate 3
10/01/2018

Additional Anatomy Flashcards

 


 

Cards

Term
levator scapula
Definition

A  unilaterally elevate & upwardly rotate scapula, rotate & flex head & neck to same side; bilaterally extend head & neck

O  transverse processes of C1-c-4

I  medial border of scapula between spine & superior angle

N  dorsal scapular

Term
trapezius
Definition
A upper fibers:
bilaterally extend head & neck
unilaterally flex head & neck to same side, rotate head & neck to opposite side, elevate & upwardly rotate scapula
middle fibers:
adduct & stabilize scapula
lower fibers: depress & upwardly rotate scapula
O external occipital protuberance, medial portion superior nuchal line, ligamentum nuchae, & spinous processes C7-T12
I lateral 1/3clavicle, acromion & spine of scapula
N accessory (cranial nerve XI), ventral rami C2, 3, 4
Term
rhomboid minor
Definition

A  adduct, elevate & downwardly rotate scapula

O  spinous processes C7-T1

I medial border of scapula across from spine of scapula

N  dorsal scapular

Term
rhomboid major
Definition

A  adduct, elevate & downwardly rotate scapula

O  spinous processes T2-T5

I  medial border of scapula between spine & inferior  angle

N  dorsal scapular

Term
serratus anterior
Definition
A abduct, upwardly rotate & depress scapula, hold medial border of scapula against ribcage, with scapula fixed may elevate thorax with forced inhalation
O external surfaces upper 8-9 ribs
I anterior surface medial border of scapula
N long thoracic, C5,6,7,8
Term
deltoid
Definition
A anterior fibers abduct, flex, IR, horizontally adduct shoulder
middle fibers abduct shoulder
posterior fibers abduct, extend, ER, horizontally abduct shoulder
O lateral 1/3 clavicle, acromion, spine of scapula
I deltoid tuberosity
N axillary
Term
supraspinatus
Definition
A abduct & stabiliza shoulder
O supraspinous fossa of scapula
I greater tubercle of humerus
N suprascapular
Term
infraspinatus
Definition
A ER, adduct, stabilize humerus in glenoid cavity
O infraspinous fossa of scapula
I greater tubercle of humerus
N suprascapular
Term
teres minor
Definition
A ER, adduct, stabilize head of humerus in glenoid cavity
O superior 2/3 lateral border of scapula
N axillary
Term
subscapularis
Definition
A IR, stabilize humerus in glenoid cavity
O subscapular fossa
I lesser tubercle of humerus
N upper & lower subscapular
Term
latissimus dorsi
Definition

A  extend, adduct & internally rotate shoulder

O  inferior angle of scapula, spinous processes of T6-T12, last 3-4 ribs, thoracolumbar aponeurosis, & posterior iliac crest

I  intertuburcular groove of humerus

N  thoracodorsal

Term
teres major
Definition

A  extend, adduct & internally rotate shoulder

O  lower 1/3 lateral border & inferior angle of scapula

I  crest of lesser turbercle of humerus

N lower subscapular

Term
pectoralis major
Definition
A all fibers adduct, IR shoulder, assist to elevate thorax during inhalation
upper fibers flex, horizontally adduct shoulder
lower fibers extend shoulder
O medial half clavicle, sternum, ribs 1-6
I crest of greater tubercle of humerus
N upper fibers: lateral pectoral
lower fibers: lateral & medial pectoral
Term
pectoralis minor
Definition
A depress, abduct (protract), downwardly rotate scapula; with scapula fixed, assist to elevate the thorax during forved inhalation
O ribs 3-5
I medial surface coracoid process of scapula
N medial pectoral, with communicating branch of lateral pectoral, C(6), 7, 8, T1
Term
triceps brachii
Definition
A all heads extend elbow
long head extends & adducts shoulder
O long head: infraglenoid tubercle of scapula
lateral head: proximal 1/2 posterior surface of humerus
medial head: distal 1/2 posterior surface of humerus
I olecranon process
N radial
Term
biceps brachii
Definition
A flex elbow, sipinate forearm, weak flexion of shoulder
O long head: supraglenoid tubercle of scapula
short head : coracoid process of scapula
I bicipital aponeurosis & radial tuberosity
N musculocutaneous
Term
coracobrachialis
Definition
A flex & adduct shoulder
O coracoid process of scapula
I medial surface of mod-humerus
N musculocutaneous
Term
brachialis
Definition
A flex elbow
O distal half anterior humerus
I tuberosity & coronoid process of ulna
N musculotcutaneous
Term
brachioradialis
Definition
A flex elbow, assist with resisted supination & pronation of forearm
O proximal 2/3 lateral supracondylar ridge of humerus
I radial styloid
N radial
Term
pronator teres
Definition

A  pronate the forearm, assist to flex the elbow

O  common flexor tendon of the medial epicondyle of the humerus & coronoid process of the ulna

I  middle of lateral surface of radius

N  median

Term
flexor carpi radialis
Definition
A flex & radial debiate wrist, ,ay assist to flex elbow
O common flexor tendon frommedial epicondyle of humerus
I bases of 2nd &3rd metacarpals
N median
Term
palmaris longus
Definition
A flex wrist, may assist to flex elbow, tense palmar fascia
O common flexor tendon of the medial epicondyle of the humerus
I flexor retinaculum & palmar aponeurosis
N median
Term
flexor carpi ulnaris
Definition
A flex & ulnar deviate wrist, assist to flex elbow
O humeral head: common flexor tendon of medial epicondyle
ulnar head: posterior surface of proximal 2/3 ulna
I pisiform, hook of hamate & base of 5th metacarpal
N ulnar
Term
anconeus
Definition
A extend the elbow
O lateral epicondyle of humerus
I olecranon process & posterior, proximal surface of ulna
N radial
Term
extensor carpi ulnaris
Definition
A extend & ulnar deviate wrist
O common extensor tendon from lateral epicondyle of humerus
I base of 5th metacarpal
N radial
Term
extensor carpi radialis longus
Definition
A extend & radial deviate wrist, assist to flex elbow
O distal 1/3 lateral supracondylar ridge of humerus
I base of 2nd metacarpal
N radial
Term
extensor carpi radialis brevis
Definition
A extend & radial deviate wrist, assist to flex elbow
O common extensor twndon of lateral epicondyle of humerus
I base of 3rd metacarpal
N radial
Term
extensor digitorum
Definition

A  extend MCP, PIP & DIP of digits 2-5, assist to extend wrist

O  common extensor tendon of lateral epicondyle of humerus

I  middle & distal phalanges of digits 2-5

N radial

Term
flexor digitorum superficialis
Definition

A  flex PIP of digits 2-5

O  common flexor tendon of the medial epicondyle of the humerus, ulnar collateral ligament, proximal shaft of radius, coronoid process of ulna, & interosseous membrane

I  sides of middle phalanges of fingers 2-5

N median

 

Term
flexor digitorum profundus
Definition

A  flex MIP & DIP of digits 2-5

O  anterior & medial surfaces of proximal 3/4 of ulna

I  base of distal phalanges of digits 2-5

N  1st & 2nd: median  3rd & 4th: ulnar

Term
supinator
Definition

A  supinate forearm

O  lateral epicondyle of the humerus, annular ligament, radial collateral ligament, & supinator crest of the ulna

I  anterior, lateral surface of proximal 1/3 of radius

N  radial

Term
pronator quadratus
Definition

A  pronate the forearm

O  medial, anterior surface of distal ulna

I  lateral, anterior surface of distal radius

N  median

Term
gastrocnemius
Definition
A flex knee, plantar flex ankle
O condyles of the femur, posterior surfaces
I calcaneus via calcaneal tendon
N tibial
Term
popliteus
Definition
A flex knee, IR flexed knee
O lateral condyle of femur
I proximal, posterior aspect tibia
N tibial
Term
plantaris
Definition
A weak knee plantar flexion & knee flexion
O lateral supracondylar line of femur
I calcaneus via calcaneal tendon
N tibial
Term
soleus
Definition
A plantar flex
O soleal line, proximal/posterior tibia, posterior aspect head of fibula
I calcaneus via calcaneal tendon
N tibia
Term
extensor digitorum longus
Definition
A extend toes 2-5, dorsiflex, evert ankle
O lateral condyle of tibia, proximal/anterior shaft of fibula, interosseous membrane
I middle & distal phalanges of toes 2-5
N peroneal
Term
tibialis anterior
Definition
A invert, dorsiflex
O lateral condyle of tibia, proximal/lateral tibia, interosseous membrane
I medial cuneiform, base of 1st metatarsal
N deep peroneal
Term
extensor hallucis longus
Definition
A extend hallux, dorsiflex, invert
O middle anterior surface of fibula, interosseous membrane
I distal phalange of hallux
N deep peroneal
Term
peroneus longus
Definition
A evert, assists plantar flexion
O head of fibula, proximal 2/3 lateral fibula
I base of 1st metatarsal, medial cuneiform
N superficial peroneal
Term
peroneus brevis
Definition
A evert, assist to plantar flex
O distal 2/3 lateral fibula
I tuberosity of 5th metacarpal
N superficial peroneal
Term
flexor digitorum longus
Definition
A flex toes 2-5, weak plantarflexion, invert
O middle posterior surface of tibia
I distal phalanges toes 2-5
N tibial
Term
flexor hallucis longus
Definition
A flex hallux, weak plantar flexion, invert
O middle half of posterior fibula
I distal phalange of hallux
N tibial
Term
tibialis posterior
Definition
A invert, plantar flex
O proximal/posterior shafts of tibia & fibula, interosseous membrane
I navicular, cuneiforms, cuboid, bases of metatarsals 2-4
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