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Anatomy Exam 3 POINAS > Lecture 17 > Flashcards

Lecture 17 Flashcards

(52 cards)

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1
Q

gastrocnemius action

A

ankle plantar flexion when knee is extended
raises heel during walking
knee flexion

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2
Q

gastrocnemius PA

A

medial head: popliteal surface of femur
lateral head: lateral femoral condyle

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3
Q

gastrocnemius DA

A

calcaneus (via calcaneal/achilles tendon)

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4
Q

gastrocnemius nerve innervation

A

tibial nerve S1, S2

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5
Q

soleus action

A

ankle plantar flexion independent of knee position
ankle stabilization

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6
Q

soleus PA

A

posterior fibula
soleal line and medial tibia
tendinous arch between the bony attachments

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7
Q

soleus DA

A

calcaneus (via calcaneal/achilles tendon)

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8
Q

soleus nerve innervation

A

tibial nerve S1, S2

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9
Q

plantaris action

A

weakly assists gastrocnemius with ankle plantar flexion

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10
Q

plantaris PA

A

lateral supracondylar line of femur
oblique popliteal ligament

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11
Q

plantaris DA

A

calcaneus (via calcaneal/achilles tendon)

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12
Q

plantaris nerve innervation

A

tibial nerve S1, S2

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13
Q

popliteus action

A

unlocks knee by rotating femur 5 degrees on fixed tibia
medially rotates tibia of unplanted limb

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14
Q

popliteus PA

A

lateral condyle of femur
lateral meniscus

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15
Q

popliteus DA

A

posterior tibia, above soleal line

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16
Q

popliteus nerve innervation

A

tibial nerve L4, L5, S1

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17
Q

flexor hallucis longus action

A

great toe flexion @ ALL joints
weak ankle plantar flexion
supports medial longitudinal arch

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18
Q

flexor hallucis longus PA

A

lower posterior surface of fibula
interosseous membrance

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19
Q

flexor hallucis longus DA

A

base of distal phalanx of great toe

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20
Q

flexor hallucis longus nerve innervation

A

tibial nerve S2, S3

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21
Q

flexor digitorum longus action

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A

digits 2-5 flexion
ankle plantar flexion
supports longitudinal arches

22
Q

flexor digitorum longus PA

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A

posterior tibia, inferior to soleal line
by a broad tendon to fibula

23
Q

flexor digitorum longus DA

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A

bases of distal phalanges of digits 2-5

24
Q

flexor digitorum longus nerve innervation

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A

tibial nerve S2, S3

25
tibialis posterior action
ankle plantar flexion foot inversion maintains medial longitudinal arch
26
tibialis posterior PA
interosseous membrane posterior tibia, inferior to soleal line posterior surface of fibula
27
tibialis posterior DA
tuberosity of navicular cuneiforms cuboid sustenaculum tali of calcaneus bases of 2nd, 3rd and 4th metatarsals
28
tibialis posterior nerve innervation
tibial nerve L4, L5
29
fibularis brevis action
subtalar joint eversion weak ankle plantar flexion
30
fibularis brevis PA
inferior lateral fibula
31
fibularis brevis DA
lateral side of base of 5th metatarsal
32
fibularis brevis nerve innervation
superficial fibular nerve L5, S1, S2
33
fibularis longus action
subtalar joint eversion weak ankle plantar flexion
34
fibularis longus PA
head of fibula superior lateral fibula
35
fibularis longus DA
medial cuneiform base of 1st metatarsal
36
fibularis longus nerve innervation
superficial fibular nerve L5, S1, S2
37
tibialis anterior action
ankle dorsiflexion subtalar joint inversion
38
tibialis anterior PA
lateral condyle of tibia superior 1/2 of tibia interosseous membrane
39
tibialis anterior DA
medial cuneiform base of 1st metatarsal
40
tibialis anterior nerve innervation
deep fibular nerve L4, L5
41
extensor hallucis longus action
great toe extension ankle dorsiflexion
42
extensor hallucis longus PA
middle anterior fibula interosseous membrane
43
extensor hallucis longus DA
base of distal phalanx of great toe
44
extensor hallucis longus nerve innervation
deep fibular nerve L5, S1
45
extensor digitorum longus action
digits 2-5 extension ankle dorsiflexion
46
extensor digitorum longus PA
lateral condyle of tibia superior surface of fibula interosseous membrane
47
extensor digitorum longus DA
middle and distal phalanges of digits 2-5
48
extensor digitorum longus nerve innervation
deep fibular nerve L5, S1
49
fibularis tertius action
ankle dorsiflexion aids in subtalar eversion
50
fibularis tertius PA
inferior anterior surface of fibula interosseous membrane
51
fibularis tertius DA
dorsum of base of 5th metatarsal
52
fibularis tertius nerve innervation
deep fibular nerve L5, S1

Anatomy Exam 3 POINAS (4 decks)

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