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gross exam 4 > muscles > Flashcards

muscles Flashcards

1
Q

gluteus maximus innervation

A

inferior gluteal nerve

L5-S2

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2
Q

gluteus maximus action

A

upper - abducts
lower-adducts
both: extends hip, externally rotates hip

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3
Q

gluteus maximus origin

A

dorsal lateral sacrum
posterior gluteal surface ilium
thoracolumbar fascia
sacrotuberous lig

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4
Q

gluteus medius origin

A

gluteal surface ilium between anterior and posterior gluteal lines

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5
Q

gluteus maximus insertion

A

upper- iliotibial tract

lower-gluteal tuberosity

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6
Q

gluteus medius insertion

A

lateral greater trochanter

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7
Q

gluteus medius innervation

A

superior gluteal nerve

L4-S1

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8
Q

gluteus medius action

A

abduct hip
ant- flex, internal rotate
pos- extend, external rotate

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9
Q

gluteus minimus origin

A

gluteal surface of ilium between anterior and inferior gluteal line

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10
Q

gluteus minimus insertion

A

anterolateral surface greater trochanter

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11
Q

gluteus minimus action

A

abducts hip
ant-flex and internal rotate
post- extends and external rotate

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12
Q

tensor fascia latae origin

A

anterior superior iliac spine

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13
Q

tensor fasciae latae insertion

A

iliotibial tract

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14
Q

tensor fascia latae innervation

A

superior gluteal n

L4-S1

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15
Q

tensor fascia latae action

A

abduction
flex
internal rotation
tenses fascia lata

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16
Q

piriformis origin

A

pelvic surface sacrum

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17
Q

piriformis insertion

A

apex greater trochanter femur

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18
Q

piriformis innervation

A

S1-S2 direct branches

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19
Q

piriformis action

A

external rotation
extends
abduction

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20
Q

obturator internus origin

A

inner surface obturator membrane and bony surroundings

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21
Q

obturator internus insertion

A

medial surface greater trochanter femur

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22
Q

obturator internus innervation

A

nerve to obturator internus

L5-S1

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23
Q

obturator internus action

A

external rotation
adduct
extend

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24
Q

gemelli superior

A

ischial spine –medial surface greater trochanter
nerve to obturator internus L5-S1
externally rotate, adduct, extend hip

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25
Q

gemelli inferior

A

ischial tuberosity–medial surface greater trochanter
nerve to quadratus femoris L5-S1
external rotate , adduction, extend hip

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26
Q

quadratus femoris origin

A

lateral border of ischial tuberosity

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27
Q

quadratus femoris insertion

A

intertrochanteric crest of femur

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28
Q

quadratis femoris innervation

A

nerve to quadratus femoris

L5-S1

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29
Q

quadratus femoris action

A

externally rotate

adduct

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30
Q

anterior thigh muscles

A 
sartorius
quadriceps femoris -(rectus femoris 
vastus lateralis 
vastus medialis 
vastus internus )
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31
Q

iliopsoas origin

A

Psoas- T12- L4 and IV disks, transverse processes L1-L5

Iliacus - iliac fossa

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32
Q

iliopsoas insertion

A

lesser trochanter of femur

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33
Q

iliopsoas innervaton

A

L2-L4 direct lumbar plexus

femoral n. L2-L4

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34
Q

iliopsoas action

A

hip-external rotate, flex

trunk- ipsilateral lateral flexion

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35
Q

sartorius O/I

A

ASIS— medial to tibial tuberosity

pes anserinus

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36
Q

sartorius innervation/action

A

femoral n. L2-L3

  • hip=external rotation, flex, abduction
  • knee=flexion, internal rotation
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37
Q

rectus femoris O:I

A

AIIS

acetabular roof –tibial tuberosity via patellar ligament

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38
Q

rectus femoris innervation/action

A

femoral n. L2-L4

  • flex hip
  • extend knee
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39
Q

vastus medialis O:I

A

medial lip linea aspera, distal intertrochanteric line —

–tibial tuberosity via patellar lig

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40
Q

vastus medialis innervation: action

A

femoral n. L2-L4

  • extend knee
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41
Q

Vastus lateralis O:I

A

lateral lip of linea aspera, lateral greater trochanter –

– tibial tuberosity via patellar lig

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42
Q

vastus lateralis innervation:action

A

femoral n. L2-L4

-extends knee

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43
Q

vastus intermedius O:I

A

anterior femoral shaft — tibial tuberosity via patellar lig

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44
Q

vastus intermedius innervation/action

A

femoral nerve L2-L4

-extend knee

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45
Q

medial thigh compartment

A

pectineus
adductor longus
adductor brevis
gracilis

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46
Q

medial thigh compartment rules

A

obturator n ( some femoral)
adduct and flex hip
insert on parts of linea aspera

47
Q

pectineus O:I

A

pectin pubis — pectineal line of femur, prox linea aspera

48
Q

pectineus innervation/action

A

Femoral n.,
obturator nerve L2,L3

–hip=external rotation, adduction

49
Q

adductor longus O:I

A

superior pubic ramus, anterior pubic symphysis —

– middle 1/3 medial lip linea aspera

50
Q

adductor longus innervation/action

A

obturator n (L2,L4)

  • adduct hip
  • flexion-70 degrees, then extension
51
Q

adductor brevis O:I

A

inferior pubic ramus — prox 1/3 medial lip linea aspera, pectineal line

52
Q

adductor brevis innervation: action

A

obturator n L2,L3

-hip-adduct, flex -70 degrees, then extension

53
Q

gracilis O:I

A

inferior pubic ramis, pubic, symphysis—

— medial border tibial tuberosity

54
Q

gracilis innervation, action

A

obturator n L2,L3

  • hip-adduct, flex
  • knee-flex, internal rotation
55
Q

obturator externus O:I

A

posterior obturator membrane, bony surroundings–

– trochanteric fossa of femur

56
Q

obturator externus innervation/action

A

obturator n L3, L4

-external rotation, adduction

57
Q

adductor magnus O:I

A

ischiopubic ramus, ischial tuberosity —

  • –deep head (adductor part)=medial lip linea aspera
  • –superficial head (hamstrings part)=adductor tubercle of femur
58
Q

adductor magnus innervation:action

A

deep head- obturator n. L3,L4
superficial head- tibial n. L4

–adducts, extends hip
internal rotation

59
Q

posterior thigh compartment

A

biceps femoris , short and long head
semitendinosus
semimembranosus

60
Q

posterior thigh compartment rules

A

tibial nerve
extend hip, flex knee
origin: ischial tuberosity

61
Q

biceps femoris Origin

A

long head- ischial tuberosity , sacrotuberous lig

short head- lateral lip linea aspera, middle 1/3 femur

62
Q

biceps femoris insertion

A

head of fibula

63
Q

biceps femoris innervation/action

A

long head- tibial n L5-S2
short head- common fibular L5- S2

  • extend hip
  • flex knee, externally rotate
64
Q

semitendinosus O:I

A

sacrotuberous lig, ischial tuberosity – medial to tibial tuberosity

(pes anserinus )

65
Q

semitendinosus innervation/action

A

tibial n. L5-S2

  • extend hip
  • flex knee, internal rotation
66
Q

semimembranosus O:I

A

ischial tuberosity – medial tibial condyle, oblique popliteal ligament, popliteal fascia

67
Q

semimembranosus innervation/action

A

tibial n L5-S2

  • extend hip
  • flex knee, internal rotation
68
Q

tibialis anterior O:I

A

upper 2/3 lateral tibia, interosseous membrane, superficial crural fascia

– medial cuneiform, 1st metatarsal

69
Q

tibialis anterior innervation/action

A
  • deep fibular nerve- L4,L5

- dorsiflex foot, inversions

69
Q

extensor hallucis longus O/I

A

middle 1/3 medial surface fibula, interosseous membrane—-

—base of 1st distal phalanx, dorsal aponeurosis

70
Q

extensor hallucis longus innervation/action

A

deep fibular n L4, L5

dorsiflex, inversion, eversion
extends MTP, IP of big toe

71
Q

extensor digitorum longus O/I

A

medial surface head of fibular
lateral tibial condyle
interosseous membrane —- 2nd-5th toe dorsal aponeurosis, base of distal phalanges

72
Q

extensor digitorum longus innervation/action

A

deep fibular n L4,L5

dorsiflex, inversion
extend MTP, IP 2-5th toes

73
Q

fibularis tertius O/I

A

distal anterior fibula —base 5th metatarsal

74
Q

fibularis tertius innervation/action

A

deep fibular n. L4, L5

dorsiflexion, eversion

75
Q

anterior leg compartment

A

tibularis anterior
extensor hallucis longus
extensor digitorum longus
fibularis tertius

76
Q

anterior leg comprtment rules

A

deep fibular n L4,L5
anterior tibial artery
dorisflexion,

77
Q

lateral leg compartment

A

fibularis longus

fibularis brevis

78
Q

lateral leg compartment rules

A

superficial fibular nerve L5, S1
fibular artery

eversion with plantar flexion

79
Q

fibularis longus O/I

A

proximal 2/3 lateral head of fibula —

–plantar surface medial cuneiform, base of 1st metatarsal

80
Q

fibularis longus innervation/action

A

superficial fibular n L5, S1

plantar flexion, eversion

81
Q

fibularis brevis O/I

A

distal 1/2 lateral fibular, intermuscular surface — tuberosity 5th metatarsal

82
Q

fibularis brevis innervation and action

A

superficial fibular n. L5,S1

plantar flexion
eversion

83
Q

extensor digitorum brevis O/I

A

dorsal surface calcaneus —- 2nd-4th base of middle phalange, dorsal aponeurosis

84
Q

extensor digitorum brevis innervation/action

A

deep fibular n L5, S1

extend MTP, PIP 2-4th toes

85
Q

extensor hallucis brevis O/I

A

dorsal surface calcaneus — proximal phalanx 1st toe, dorsal aponeurosis

86
Q

extensor hallucis brevis innervation/action

A

deep fibular n L5,S1

extend MTP 1st toe

87
Q

posterior leg compartment

A

superficial- gastrocnemius, soleus, plantaris

deep-tibialis longus, popliteus, flexor hallucis longus, flexor digitorum longus

88
Q

posterior compartment rules

A

tibial n
posterior tibial artery

plantar flexion
inversion

89
Q

gastrocnemius O/I

A

medial and lateral femoral epicondyles —- calcaneous tuberosity via calcaneal tendon

90
Q

gastrocnemius innervation/action

A

tibial n S1-S2

plantar flexion
flex knee

91
Q

soleus O/I

A

posterior head and neck of fibula, soleal line on tibia–

–calcaneous tuberosity via calcaneal lig

92
Q

plantaris O/I

A

lateral epicondyle of femur—- calcaneal tuberosity

93
Q

plantaris innervation

A

tibial n S1,S2

94
Q

soleus innervation/action

A

tibial n S1,S2

plantar flexion

95
Q

popliteus O/I

A

lateral femoral condyle, posterior horn lateral meniscus—

—posterior surface tibia (above soleus origin)

96
Q

popliteus innervation/action

A

tibial n L4-S1

flex, internal rotation knee

97
Q

tibialis posterior O/I

A

interosseous membrane, adjacent borders tibia and fibula —

–navicular tuberosity, cuneiforms, 2-4 base metatarsals

98
Q

tibialis posterior innervation/action

A

tibial n L4,L5

plantar flex, inversion
supports longitudinal and transverse arches

99
Q

flexor digitorum longus O/I

A

middle 1/3 posterior tibia — 2-5th base distal phalanges

medial

100
Q

flexor digitorum longus innervation/action

A

tibial n L5,S2

plantar flexion
inversion
flex MTP, IP 2-5 toes

101
Q

flexor hallucis longus O/I

A

distal 2/3 posterior fibula, interosseous membrane—

— base 1st distal phalanx

102
Q

flexor hallucis longus action/innervation

A

tibial n L5, S2

plantar flexion, inversion
flex MTP, IP 1st toe
supports medial arch

103
Q

abductor hallucis O/I

A

medial calcaneal tuberosity — base of prox phalanx 1st toe (medial seasmoid)

104
Q

abductor hallucis innervation/action

A

-medial plantar n (S1, S2)

MTP flex, abduct 1st toe

105
Q

flexor digitoum brevis O/I

A

medial tubercle calcaneal tuberosity, plantar aponeurosis— sides of 2-5th middle phalanges

106
Q

flexor digitorum brevis innervation/action

A

medial plantar n (S1, S2)

flex MTP, PIP 2-5 toes

107
Q

abductor digiti minimi O/I

A

medial tubercle calcaneal tendon, plantar aponeurosis— base prox phalanx 5th toe, 5th metatarsal

108
Q

abductor digiti minimi inn/action

A

lateral plantar n (S1-S3)

flex, abduct MTP 5th toe

109
Q

quadratus plantae

A

medial plantar surface calcaneal tuberosity— flexor digitorum longus tendon

lateral plantar n (S1-S3)

110
Q

lumbricals

A

flexor digitorum longus tendon – dorsal aponeurosis 2-5 toes

  • 1st=medial plantar n (S1-S3)
  • 2-4=lateral plantar n (S1-S3)

-flex MTP, extend IP, adduct 2-5 toes

111
Q

flexor hallucis brevis

A

cuboid, lateral cunieform, plantar calcaneocuboid lig—
–base of prox phalanx 1st toe

  • medial and lateral plantar n (S1-S2)
  • flex MTP
112
Q

adductor hallucis oblique head

A

bases 2-4 metatarsals— base 1st prox phalanx

lateral plantar n S2-S3
flex, adduct

113
Q

adductor hallucis transverse head

A

MTP 3-5 toes — base 1st prox phalanx via lateral seasmoid

lateral plantar n S2-S3
flex, adduct MTP

gross exam 4 (1 decks)

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