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

leg Flashcards

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?

A

inferior fibula

22
Q

fibularis brevis distal?

A

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

23
Q

fibularis brevis innervation?

A

Superficial fibular (peroneal) nerve

24
Q

fibularis brevis action?

A

Everts foot and weakly plantarflexes ankle

25
Q

gastrocnemius origin?

A

Lateral Head: lateral condyle of femur

Medial Head: superior to the medial condyle of femur

26
Q

gastrocnemius distal?

A

posterior surface of calcaneus via calcaneal tendon

27
Q

gastrocnemius innervation?

A

Tibial nerve

28
Q

gastrocnemius action?

A

Plantarflexes ankle when knee is extended; raises heel during walking; flexes leg at knee joint

29
Q

soleus origin?

A

posterior fibular head and superior fibula; soleal line and middle of tibia; tendinous arch between the bony attachments

30
Q

soleus distal?

A

posterior surface of calcaneus via calcaneal tendon

31
Q

soleus innervation?

A

Tibial nerve

32
Q

soleus action?

A

Plantarflexes ankle independent of knee position; steadies leg on foot

33
Q

plantaris origin?

A

lateral supracondylar line of femur; oblique popliteal ligament

34
Q

plantaris distal?

A

posterior surface of calcaneus via calcaneal tendon

35
Q

plantaris innervation?

A

Tibial nerve

36
Q

plantaris action?

A

Weakly assists gastrocnemius in plantarflexing ankle

37
Q

popliteus origin?

A

lateral condyle of femur and lateral meniscus

38
Q

popliteus distal?

A

tibia superior to soleal line

39
Q

popliteus innervation?

A

Tibial nerve

40
Q

popliteus action?

A

Weakly flexes knee and unlocks knee; medially rotates tibia of unplanted limb

41
Q

flexor hallucis longus origin?

A

posteroinferior fibula; inferior part of interosseous membrane

42
Q

flexor hallucis longus distal?

A

base of distal phalanx of great toe (hallux)

43
Q

flexor hallucis longus innervation?

A

Tibial nerve

44
Q

flexor hallucis longus action?

A

Flexes great toe at all joints; weakly plantarflexes ankle; supports medial longitudinal arch of foot

45
Q

flexor digitorum longus origin?

A

posterior surface of tibia inferior to soleal line; by a broad tendon to fibula

46
Q

flexor digitorum longus distal?

A

base of distal phalanges of lateral 4 digits

47
Q

flexor digitorum longus innervation?

A

Tibial nerve

48
Q

flexor digitorum longus action?

A

Flexes lateral 4 digits; plantarflexes ankle; supports longitudinal arches of foot

49
Q

tibialis posterior origin?

A

interosseous membrane; tibia inferior to soleal line; fibula

50
Q

tibialis posterior distal?

A

tuberosity of navicular, cuneiform, cuboid, and sustentaculum tali of calcaneus; bases of 2nd, 3rd and 4th metatarsals

51
Q

tibialis posterior innervation?

A

Tibial nerve

52
Q

tibialis posterior action?

A

Plantarflexes ankle; inverts foot

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

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