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Anatomy 711 PT > Leg and foot OIA > Flashcards

Leg and foot OIA Flashcards

1
Q

Gastrocnemius origin

A

Lateral head: lateral aspect of
lateral condyle of femur

Medial Head: popliteal surface above
medial condyle of femur

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2
Q

Gastrocnemius insertion

A

Posterior aspect of
calcaneus via
calcaneal tendon

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3
Q

Gastrocnemius action

A

plantar flexes foot,

assists in knee flexion

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4
Q

Soleus origin

A

Posterior aspect of fibular head,
proximal 1/4 fibular posterior surface.
Soleal line of tibia

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5
Q

Soleus insertion

A

Posterior aspect of
calcaneus via
calcaneal tendon

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6
Q

Soleus action

A

plantar flexes foot,
stabilizes foot over
ankle

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7
Q

plantaris origin

A

inferior end of lateral supracondylar line of femur and oblique popliteal
ligament

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8
Q

plantaris insertion

A

Posterior aspect of
calcaneus via
calcaneal tendon

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9
Q

plantaris action

A

weakly assists

gastrocnemius

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10
Q

Popliteus origin

A

lateral aspect of femur, lateral

meniscus

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11
Q

Popliteus insertion

A

posterior tibia

superior to soleal line

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12
Q

Popliteus action

A

weak flexion of knee,
unlocks knee by
rotating femur on
locked tibia

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13
Q

Tibialis Posterior origin

A

Posterior tibia inferior to soloeal line,
interosseous membrane,
proximal half of posterior fibula

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14
Q

Tibialis Posterior insertion

A

Tuberosity of
navicular bone, all
cuneiforms, cuboid, bases of 2-4 metatarsals

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15
Q

Tibialis Posterior action

A

plantar flexes foot,

inverts foot

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16
Q

Flexor digitorum

longus origin

A

Medial posterior tibia inferior to soleal line

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17
Q

Flexor digitorum

longus insertion

A

plantar bases of distal
phalanges of digits 2-
5

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18
Q

Flexor digitorum

longus action

A

Flexes digits 2-5,
plantarflexes foot,
supports longitudinal
arch

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19
Q

Flexor Hallucis longus origin

A

Distal 2/3 posterior fibula and

interosseous membrane

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20
Q

Flexor Hallucis longus insertion

A

base of distal phalanx

of big toe

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21
Q

Flexor Hallucis longus action

A

flexes big toe, weak plantar flexion

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22
Q

fibularis longus origin

A

head and proximal 2/3 of lateral fibula

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23
Q

fibularis longus insertion

A

plantar base of
metatarsal 1 and
medial cuneiform

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24
Q

fibularis longus action

A

everts foot, weak

plantar flexion

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25
Q

fibularis brevis origin

A

distal 2/3 lateral surface of fibula

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26
Q

fibularis brevis insertion

A

Dorsal surface of
tuberosity on lateral
side of 5th metatarsal

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27
Q

fibularis brevis action

A

everts foot, weak

plantarflexion

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28
Q

fibularis tertius origin

A

distal 1/3 of anterior surface of

fibula and interosseous membrane

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29
Q

fibularis tertius insertion

A

Dorsum base of 5th

metatarsal

30
Q

fibularis tertius action

A

Dorsiflexes foot, aids in

eversion

31
Q

Tibialis Anterior origin

A

Lateral condyle and proximal half of lateral tibia, interosseous membrane

32
Q

Tibialis Anterior insertion

A

medial plantar
surfaces of medial
cuneiform and base
of 1st metatarsal

33
Q

Tibialis Anterior action

A

dorsiflexes foot, inverts

foot

34
Q

Extensor Hallucis

Longus origin

A

Middle anterior surface of fibula

and interosseous membrane

35
Q

Extensor Hallucis

Longus insertion

A

Dorsal aspect of base
of distal phalanx of
big toe

36
Q

Extensor Hallucis

Longus action

A

Extends big toe,

dorsiflex foot

37
Q

Extensory Digitorum

longus origin

A

lateral condyle of tibia, proximal
3/4 anterior surface of interosseous
membrane and fibula

38
Q

Extensory Digitorum

longus insertion

A

middle and distal
phalanges of digits 2-
5

39
Q

Extensory Digitorum

longus action

A

extend digits 2-5,

dorsiflex foot

40
Q

Dorsal interossei origin

A

adjacent side of 1-5 metatarsals

41
Q

Dorsal interossei insertion

A 
1st: medial side of
proximal phalanx of 2
digit 
2-4:lateral sides
of digits 2-4
42
Q

Dorsal interossei action

A

abduct 2-4 digits, flex
metatarsophalangeal
joints, extend
phalanges

43
Q

Extensor digitorum
brevis and extensor
hallucis brevis origin

A

Superolateral surface of calcaneus, lateral talocalcaneal ligament,
cruciate crural ligament

44
Q

Extensor digitorum
brevis and extensor
hallucis brevis insertion

A 
1st tendon: dorsal
surface of base of
proximal phalanx of
big toe 
2-4 tendons:
lateral sides of
tendons of extensor
digitorum longus
45
Q

Extensor digitorum
brevis and extensor
hallucis brevis action

A 
aids extensor
digitorum longus in
extension of
metatarsophalangeal
and interphalangeal
joints
46
Q

Abductor hallucis origin

A

medial tubercle of tuberosity of
calcaneus, flexor retinaculum,
plantar aponeurosis

47
Q

Abductor hallucis insertion

A

medial side of base of
proximal phalanx of
1st digit

48
Q

Abductor hallucis action

A

Abducts and flexes 1st

digit

49
Q

flexor digitorum brevis origin

A

medial tubercle of tuberostiy of
calcaneus, plantar aponeurosis,
intermuscular septum

50
Q

flexor digitorum brevis insertion

A

sides of middle

phalanges of digits2-5

51
Q

flexor digitorum brevis action

A

flexes 2-5 digits

52
Q

Abductor digiti minimi origin

A

medial and lateral tubercles of
tuberosity of calcaneus, plantar
aponeurosis, intermuscular septum

53
Q

Abductor digiti minimi insertion

A

lateral side of base of
proximal phalanx of
5th digit

54
Q

Abductor digiti minimi action

A

abducts and flexes 5th

digit

55
Q

Flexor Hallucis brevis origin

A

plantar surface of the cuboid and

lateral cuneiform

56
Q

Flexor Hallucis brevis insertion

A

side of bases of
proximal phalanx of
1st digit

57
Q

Flexor Hallucis brevis action

A

flexes proximal phalanx

of 1st digit

58
Q

Lumbricals origin

A

tendons of flexor digitorum longus

59
Q

Lumbricals insertion

A

medial side of dorsal
digital expansions of
digits 2-5

60
Q

Lumbricals action

A

flexes proximal
phalanges at MTP,
extends phalanges at
PIP and DIP

61
Q

Quadratus Plantae origin

A

medial and lateral sides of plantar

surface of calcaneus

62
Q

Quadratus Plantae insertion

A

posteriolateral edge
of flexor digitorum
longus tendon

63
Q

Quadratus Plantae action

A

correct of oblique pull
of flexor digitorum
longus tendon (assists
in flexion of toes)

64
Q

Adductor hallucis origin

A 
Oblique head: bases of 2-4
metatarsals 
Transverse head:
ligaments of metarsophalangeal
joints of digitd 3-5
65
Q

Adductor hallucis insertion

A

Tendons of both head
lateral to side of base
of proximal phalanx
of 1st digit

66
Q

Adductor hallucis action

A

Adducts 1st digit,
maintains transverse
arch

67
Q

Flexor digiti minimi

brevis origin

A

base of 5th metatarsal

68
Q

Flexor digiti minimi

brevis insertion

A

lateral base of
proximal phalanx of
5th digit

69
Q

Flexor digiti minimi

brevis action

A

flexes proximal phalanx

of 5th digit

70
Q 
Plantar interossei(3
muscles) origin
A

bases and medial sides of 3-5

metatarsals

71
Q 
Plantar interossei(3
muscles) insertion
A

medial sides of bases
of proximal phalanges
of digits 3-5

72
Q 
Plantar interossei(3
muscles) action
A

adducts digits 3-5, flex
metatarsophalangeal
joints, extend
phalanges

Anatomy 711 PT (22 decks)

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