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MABS Anatomy - Thigh, Leg and Foot > leg > Flashcards

leg Flashcards

(52 cards)

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1
Q

tibialis anterior origin?

A

lateral condyle and superolateral surface of tibia and interosseous membrane

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2
Q

tibialis anterior distal?

A

medial cuneiform and base of 1st metatarsal

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3
Q

tibialis anterior innervation?

A

Deep fibular (peroneal) nerve

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4
Q

tibialis anterior action?

A

Dorsiflexes ankle and inverts foot

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5
Q

extensor digitorum longus origin?

A

lateral condyle of tibia, superior fibula and interosseous membrane

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6
Q

extensor digitorum longus distal?

A

middle and distal phalanges of lateral 4 digits

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7
Q

extensor digitorum longus innervation?

A

Deep fibular (peroneal) nerve

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8
Q

extensor digitorum longus action?

A

Extends lateral 4 digits and dorsiflexes the ankle

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9
Q

extensor hallucis longus origin?

A

middle fibula and interosseous membrane

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10
Q

extensor hallucis longus distal?

A

base of distal phalanx of great toe (hallux)

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11
Q

extensor hallucis longus innervation?

A

Deep fibular (peroneal) nerve

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12
Q

extensor hallucis longus action?

A

Extends great toe and dorsiflexes the ankle

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13
Q

fibularis tertius origin?

A

inferior fibula and interosseous membrane

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14
Q

fibularis tertius distal?

A

base of 5th metatarsal

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15
Q

fibularis tertius innervation?

A

Deep fibular (peroneal) nerve

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16
Q

fibularis tertius action?

A

Dorsiflexes ankle and aids in eversion of foot

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17
Q

fibularis longus origin?

A

head and superior fibula

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18
Q

fibularis longus distal?

A

base of 1st metatarsal and medial cuneiform

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19
Q

fibularis longus innervation?

A

Superficial fibular (peroneal) nerve

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20
Q

fibularis longus action?

A

Everts foot and weakly plantarflexes ankle

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21
Q

fibularis brevis origin?

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A

inferior fibula

22
Q

fibularis brevis distal?

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A

dorsal surface of tuberosity on lateral side of base of 5th metatarsal

23
Q

fibularis brevis innervation?

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A

Superficial fibular (peroneal) nerve

24
Q

fibularis brevis action?

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A

Everts foot and weakly plantarflexes ankle

25
gastrocnemius origin?
Lateral Head: lateral condyle of femur | Medial Head: superior to the medial condyle of femur
26
gastrocnemius distal?
posterior surface of calcaneus via calcaneal tendon
27
gastrocnemius innervation?
Tibial nerve
28
gastrocnemius action?
Plantarflexes ankle when knee is extended; raises heel during walking; flexes leg at knee joint
29
soleus origin?
posterior fibular head and superior fibula; soleal line and middle of tibia; tendinous arch between the bony attachments
30
soleus distal?
posterior surface of calcaneus via calcaneal tendon
31
soleus innervation?
Tibial nerve
32
soleus action?
Plantarflexes ankle independent of knee position; steadies leg on foot
33
plantaris origin?
lateral supracondylar line of femur; oblique popliteal ligament
34
plantaris distal?
posterior surface of calcaneus via calcaneal tendon
35
plantaris innervation?
Tibial nerve
36
plantaris action?
Weakly assists gastrocnemius in plantarflexing ankle
37
popliteus origin?
lateral condyle of femur and lateral meniscus
38
popliteus distal?
tibia superior to soleal line
39
popliteus innervation?
Tibial nerve
40
popliteus action?
Weakly flexes knee and unlocks knee; medially rotates tibia of unplanted limb
41
flexor hallucis longus origin?
posteroinferior fibula; inferior part of interosseous membrane
42
flexor hallucis longus distal?
base of distal phalanx of great toe (hallux)
43
flexor hallucis longus innervation?
Tibial nerve
44
flexor hallucis longus action?
Flexes great toe at all joints; weakly plantarflexes ankle; supports medial longitudinal arch of foot
45
flexor digitorum longus origin?
posterior surface of tibia inferior to soleal line; by a broad tendon to fibula
46
flexor digitorum longus distal?
base of distal phalanges of lateral 4 digits
47
flexor digitorum longus innervation?
Tibial nerve
48
flexor digitorum longus action?
Flexes lateral 4 digits; plantarflexes ankle; supports longitudinal arches of foot
49
tibialis posterior origin?
interosseous membrane; tibia inferior to soleal line; fibula
50
tibialis posterior distal?
tuberosity of navicular, cuneiform, cuboid, and sustentaculum tali of calcaneus; bases of 2nd, 3rd and 4th metatarsals
51
tibialis posterior innervation?
Tibial nerve
52
tibialis posterior action?
Plantarflexes ankle; inverts foot

MABS Anatomy - Thigh, Leg and Foot (3 decks)

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