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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
fibularis brevis origin
distal 2/3 lateral surface of fibula
26
fibularis brevis insertion
Dorsal surface of tuberosity on lateral side of 5th metatarsal
27
fibularis brevis action
everts foot, weak | plantarflexion
28
fibularis tertius origin
distal 1/3 of anterior surface of | fibula and interosseous membrane
29
fibularis tertius insertion
Dorsum base of 5th | metatarsal
30
fibularis tertius action
Dorsiflexes foot, aids in | eversion
31
Tibialis Anterior origin
Lateral condyle and proximal half of lateral tibia, interosseous membrane
32
Tibialis Anterior insertion
medial plantar surfaces of medial cuneiform and base of 1st metatarsal
33
Tibialis Anterior action
dorsiflexes foot, inverts | foot
34
Extensor Hallucis | Longus origin
Middle anterior surface of fibula | and interosseous membrane
35
Extensor Hallucis | Longus insertion
Dorsal aspect of base of distal phalanx of big toe
36
Extensor Hallucis | Longus action
Extends big toe, | dorsiflex foot
37
Extensory Digitorum | longus origin
lateral condyle of tibia, proximal 3/4 anterior surface of interosseous membrane and fibula
38
Extensory Digitorum | longus insertion
middle and distal phalanges of digits 2- 5
39
Extensory Digitorum | longus action
extend digits 2-5, | dorsiflex foot
40
Dorsal interossei origin
adjacent side of 1-5 metatarsals
41
Dorsal interossei insertion
``` 1st: medial side of proximal phalanx of 2 digit 2-4:lateral sides of digits 2-4 ```
42
Dorsal interossei action
abduct 2-4 digits, flex metatarsophalangeal joints, extend phalanges
43
Extensor digitorum brevis and extensor hallucis brevis origin
Superolateral surface of calcaneus, lateral talocalcaneal ligament, cruciate crural ligament
44
Extensor digitorum brevis and extensor hallucis brevis insertion
``` 1st tendon: dorsal surface of base of proximal phalanx of big toe 2-4 tendons: lateral sides of tendons of extensor digitorum longus ```
45
Extensor digitorum brevis and extensor hallucis brevis action
``` aids extensor digitorum longus in extension of metatarsophalangeal and interphalangeal joints ```
46
Abductor hallucis origin
medial tubercle of tuberosity of calcaneus, flexor retinaculum, plantar aponeurosis
47
Abductor hallucis insertion
medial side of base of proximal phalanx of 1st digit
48
Abductor hallucis action
Abducts and flexes 1st | digit
49
flexor digitorum brevis origin
medial tubercle of tuberostiy of calcaneus, plantar aponeurosis, intermuscular septum
50
flexor digitorum brevis insertion
sides of middle | phalanges of digits2-5
51
flexor digitorum brevis action
flexes 2-5 digits
52
Abductor digiti minimi origin
medial and lateral tubercles of tuberosity of calcaneus, plantar aponeurosis, intermuscular septum
53
Abductor digiti minimi insertion
lateral side of base of proximal phalanx of 5th digit
54
Abductor digiti minimi action
abducts and flexes 5th | digit
55
Flexor Hallucis brevis origin
plantar surface of the cuboid and | lateral cuneiform
56
Flexor Hallucis brevis insertion
side of bases of proximal phalanx of 1st digit
57
Flexor Hallucis brevis action
flexes proximal phalanx | of 1st digit
58
Lumbricals origin
tendons of flexor digitorum longus
59
Lumbricals insertion
medial side of dorsal digital expansions of digits 2-5
60
Lumbricals action
flexes proximal phalanges at MTP, extends phalanges at PIP and DIP
61
Quadratus Plantae origin
medial and lateral sides of plantar | surface of calcaneus
62
Quadratus Plantae insertion
posteriolateral edge of flexor digitorum longus tendon
63
Quadratus Plantae action
correct of oblique pull of flexor digitorum longus tendon (assists in flexion of toes)
64
Adductor hallucis origin
``` Oblique head: bases of 2-4 metatarsals Transverse head: ligaments of metarsophalangeal joints of digitd 3-5 ```
65
Adductor hallucis insertion
Tendons of both head lateral to side of base of proximal phalanx of 1st digit
66
Adductor hallucis action
Adducts 1st digit, maintains transverse arch
67
Flexor digiti minimi | brevis origin
base of 5th metatarsal
68
Flexor digiti minimi | brevis insertion
lateral base of proximal phalanx of 5th digit
69
Flexor digiti minimi | brevis action
flexes proximal phalanx | of 5th digit
70
``` Plantar interossei(3 muscles) origin ```
bases and medial sides of 3-5 | metatarsals
71
``` Plantar interossei(3 muscles) insertion ```
medial sides of bases of proximal phalanges of digits 3-5
72
``` Plantar interossei(3 muscles) action ```
adducts digits 3-5, flex metatarsophalangeal joints, extend phalanges

Anatomy 711 PT (22 decks)

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