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MSK anatomy 1 > Origins, insertions and innervation > Flashcards

Origins, insertions and innervation Flashcards

1
Q

Gluteus maximus

A

ilium, sacrum + coccyx
iliotibial tract
inferior gluteal nerve
hip extension

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2
Q

gluteus medius

A

external surface of ilium
greater trochanter of femur
superior gluteal nerve
hip abduction + medial rotation

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3
Q

gluteus minimus

A

external surface of ilium (under medius)
greater trochanter of femur
superior gluteal nerve
hip abduction + medial rotation

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4
Q

tensor fascia lata

A

ASIS
iliotibial tract
superior gluteal nerve
hip abduction + medial rotation

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5
Q

piriformis

A

anterior sacrum
greater trochanter
sacral plexus - S1,2
lateral rotation of extended thigh, abduct flexed hip

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6
Q

superior gemellus

A

ischial spine
greater trochanter
nerve to the obturator internus

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7
Q

Obturator internus

A

obturator membrane
greater trochanter
nerve to the obturator internus

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8
Q

inferior gemullus

A

ischial tuberosity
greater trochanter
nerve to the quadratus femoris

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9
Q

quadratus femoris

A

ischial tuberosity
intertrochanteric line
nerve to the quadratus femoris
Square shaped muscle

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10
Q

Pectineus

A

pectineal line on superior pubic rami
pectineal line on femur
femoral nerve
hip flexion

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11
Q

illiopsoas

A

illiacus + psoas major

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12
Q

illiacus

A

iliac crest
lesser trochanter
femoral nerve
hip flexion

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13
Q

psoas major

A

T12-L5
lesser trochanter
femoral nerve
hip flexion

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14
Q

Sartorius

A

ASIS
superior medial tibial surface
femoral nerve
hip flexion, abduction, lateral rotation

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15
Q

rectus femoris

A

AIIS
patella via quads tendon
femoral nerve
hip flexion and knee extension

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16
Q

vastus lateralis

A

greater trochanter
patella via quads tendon
femoral nerve
knee extension

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17
Q

vastus intermedius

A

anterior and lateral femoral shaft
patella via quads tendon
femoral nerve
knee extension

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18
Q

vastus medialis

A

intertrochanteric line of femur
patella via quads tendon
femoral nerve
knee extension

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19
Q

adductor longus

A

body of pubis
linea aspera of femur
obturator nerve
hip adduction

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20
Q

adductor brevis

A

body and inferior pubic ramus
pectineal line and proximal linea aspera
obturator nerve
hip adduction

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21
Q

adductor magnus

A

NB has adductor and hamstring parts

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22
Q

adductor part of adductor magnus

A

pubic and ichial rami
gluteal tuberosity + linea aspera
obturator nerve
adducts and flexes thigh

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23
Q

hamstring part of adductor magnus

A

ischial tuberosity
adductor tubercle on femur
tibial branch of sciatic nerve
thigh extension

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24
Q

gracilis

A

body and inferior pubic ramus
superior medial part of tibia
obturator nerve
adducts thigh, flexes leg and medial rotation

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25
Q

obturator externus

A

obturator foramen and membrane
trochanteric fossa of femur
obturator nerve
lateral rotation of thigh

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26
Q

Pes anserinus ?

A

where gracilis, semiTendinosis and sartorius insert onto superior medial tibia

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27
Q

semitendinosis

A

ischial tuberosity
pes anserinus
tibial division of sciatic
hip extension and knee flexion

28
Q

semimembranosis

A

ischial tuberosity
posterior part of superior medial condyle of tibia
tibial division of sciatic
hip extension and knee flexion

29
Q

biceps femoris long head

A

ischial tuberosity
lateral side of fibular head
tibial division of sciatic
hip extension and knee flexion

30
Q

biceps femoris short head

A

linea aspera
lateral side of fibular head
common fibular division of sciatic
hip extension and knee flexion

31
Q

Tibialis anterior

A

lateral condyle of tibia
medial cuneiform and base of 1st MT
deep fibular nerve
dorsiflexes ankle and inverts foot

32
Q

Extensor digitorum longus ant. leg

A

lateral condyle of tibia
middle and distal phalanges of lateral 4 digits
deep fibular nerve
extension of lateral 4 digits and ankle dorsiflexion

33
Q

Extensor hallucis longus

A

anterior fibula and interosseous membrane
base of the distal phalynx of hallux
deep fibular nerve
extension of big toe and ankle dorsiflexion

34
Q

fibularis tertius

A

inferior anterior fibula
base of 5th MT
deep fibular nerve
ankle dorsiflexion and eversion

35
Q

fibularis longus

A

head and superior fibula
goes under foot to medial cuneiform and base of 1st MT
superficial fibular nerve
everts foot and weakly plantarflexes ankle

36
Q

fibularis brevis

A

inferior lateral fibula
base of 5th MT
superficial fibular nerve
everts foot and weakly plantarflexes ankle

37
Q

gastrocnemius

A

lateral and medial heads

38
Q

lateral head of gastrocnemius

A

lateral condyle of femur
calcaneal tendon
tibial nerve
plantarflexion

39
Q

medial head of gastrocnemius

A

popliteal surface of femur, medial condyle of femur
calcaneal tendon
tibial nerve
plantarflexes ankle

40
Q

soleus

A

posterior fibular head
calcaneal tendon
tibial nerve
plantarflexion

41
Q

plantaris

A

oblique popliteal ligament
calcaneal tendon
tibial nerve
weakly assists gastroc in plantarflexion

42
Q

popliteus

A

lateral femoral condyle, lateral meniscus
posterior tibia
tibial nerve
weakly flexes knee

43
Q

Flexor hallucis longus

A

inferior fibula
base of distal phalynx of hallux
tibial nerve
flexes hallux

44
Q

Flexor digitorum longus

A

posteromedial tibia
bases of distal phalanges of lateral 4 digits
tibial nerve
flexes lateral 4 digits and ankle plantarflexion

45
Q

tibialis posterior

A

interosseous membrane
navicular, cuneiform, cuboid, calcaneus and 2, 3, 4 MT
tibial nerve
plantarflexes ankle and inverts foot

46
Q

supraspinatus

A

supraspinous fossa
greater tubercle of humerus
suprascapular nerve
initiates arm abduction

47
Q

infraspinatus

A

infraspinous fossa
greater tubercle
suprascapular nerve
lateral arm rotation

48
Q

teres minor

A

lateral scapula
greater tubercle
axillary nerve
lateral arm rotation

49
Q

subscapularis

A

subscapular fossa
lesser tubercle
upper and lower subscapular nerves
internal rotation

50
Q

biceps brachii

A

long + short head

51
Q

long head of biceps brachii

A

supraglenoid tubercle
radial tuberosity
musculocutaneous nerve
flexion of elbow and supination

52
Q

short head of biceps brachii

A

coracoid process of scapula
radial tuberosity
musculocutaneous nerve
flexion of elbow and supination

53
Q

coracobrachialis

A

coracoid process
shaft of humerus
musculocutaneous nerve
arm flexion and adductor

54
Q

brachialis

A

anterior humerus
coronoid process and tuberosity of ulna
musculocutaneous nerve
forearm supination

55
Q

triceps brachii

A

long, medial and lateral heads

56
Q

long head of triceps

A

infraglenoid tubercle
olecranon process of ulna
radial nerve
elbow extension

57
Q

medial and lateral heads of triceps

A

radial groove of posterior humerus
olecranon process
radial nerve
elbow extension

58
Q

pronator teres

A 
ulnar head - coronoid process of ulna 
humeral head - medial epicondyle 
mid shaft of radius 
median nerve 
pronation
59
Q

flexor carpi radialis

A

medial epicondyle of humerus
base of 2nd MC
median nerve
flexes and abducts at wrist

60
Q

palmaris longus

A

medial epicondyle of humerus
flexor retinaculum and palmar aponeurosis
median nerve
tenses palmar aponeurosis and flexes wrist

61
Q

flexor carpi ulnaris

A

olecranon - ulnar head
medial epicondyle of humerus - humeral head
pisiform, hook of hamate, base of 5th MC
ULNAR NERVE

62
Q

flexor digitorum superficialis

A 
humeroulnar head - medial humeral epicondyle 
radial head - superior anterior radius 
middle phalanges of digits 2-5 
median nerve 
flexion at MCPJ and PIPJ
63
Q

Flexor digitorum profundus

A

proximal ulna and interosseous membrane
medial part - distal phalanges of digits 4,5 ULNAR NERVE
lateral part - distal phalanges of digits 2,3 MEDIAN NERVE

64
Q

flexor pollicis longus

A

anterior radial surface
distal phalynx of thumb
median nerve
flexes pollicus/thumb

65
Q

pronator quadratus

A

distal anterior ulna to radius
median nerve
pronation

MSK anatomy 1 (2 decks)

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