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2MB MSK Anatomy > Leg > Flashcards

Leg Flashcards

1
Q

List the anterior muscles of the leg

A

Tibialis anterior
Extensor digitorum longus
Extensor hallucis longus
Fibularis tertius

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2
Q

What is the origin + insertion of tibialis anterior?

A

Lateral condyle of fibula

Medial cuneiform

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3
Q

What is the nerve + arterial supply to tibialis anterior?

A

Deep fibular nerve

Anterior tibial artery

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4
Q

Which movements does tibialis anterior enable?

A

Foot: dorsiflexion, inversion

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5
Q

What is the origin + insertion of extensor digitorum longus?

A

Lateral condyle of tibia

Middle + distal phalanges of lateral digits

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6
Q

What is the nerve + arterial supply to extensor digitorum longus?

A

Deep fibular nerve

Anterior tibial artery

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7
Q

Which movements does extensor digitorum longus enable?

A

Digits: extension
Ankle: dorsiflexion

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8
Q

What is the origin + insertion of extensor hallucis longus?

A

Anterior fibula

Distal phalanx of big toe

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9
Q

What is the nerve + arterial supply to extensor hallucis longus?

A

Deep fibular nerve

Anterior tibial artery

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10
Q

Which movements does extensor hallucis longus enable?

A

Toe: extension
Foot: dorsiflexion

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11
Q

What is the origin + insertion of fibularis tertius?

A

Anterior fibula

Dorsum of 5th metatarsal

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12
Q

What is the nerve + arterial supply to fibularis tertius?

A

Deep fibular nerve

Anterior tibial artery

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13
Q

Which movements does fibularis tertius enable?

A

Foot: dorsiflexion, eversion

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14
Q

What is the main nerve supply to the anterior leg muscles?

A

Deep fibular nerve

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15
Q

List the lateral muscles of the leg

A

Fibularis longus

Fibularis brevis

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16
Q

What is the origin + insertion of fibularis longus?

A

Fibular head

Dorsum of 5th metatarsal

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17
Q

What is the nerve + arterial supply to fibularis longus?

A

Superficial fibular nerve

Fibular artery

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18
Q

Which movements does fibularis longus enable?

A

Foot: plantarflexion, eversion

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19
Q

What is the origin + insertion of fibularis brevis?

A

Lateral fibula

Dorsum of 5th metatarsal

20
Q

What is the nerve + arterial supply to fibularis brevis?

A

Superficial fibular nerve

Fibular artery

21
Q

Which movements does fibularis brevis enable?

A

Foot: plantarflexion, eversion

22
Q

What is the main nerve supply to the lateral leg muscles?

A

Superficial fibular nerve

23
Q

List the posterior superficial muscles of the leg

A

Gastrocnemius
Soleus
Plantaris

24
Q

What is the origin + insertion of gastrocnemius?

A

Medial + lateral femoral condyles

Calcaneal tendon

25
Q

What is the nerve + arterial supply to gastrocnemius?

A

Tibial nerve

Sural arteries

26
Q

Which movements does gastrocnemius enable?

A

Foot: plantarflexion
Knee: flexion

27
Q

What is the origin + insertion of soleus?

A

Posterior of head of fibula

Calcaneal tendon

28
Q

What is the nerve + arterial supply to soleus?

A

Tibial nerve

Popliteal, posterior tibial + fibular arteries

29
Q

Which movements does soleus enable?

A

Foot: plantarflexion

30
Q

What is the origin + insertion of plantaris?

A

Lateral femoral condyle

Calcaneal tendon

31
Q

What is the nerve + arterial supply to plantaris?

A

Tibial nerve

Sural arteries

32
Q

Which movements does plantaris enable?

A

Foot: plantarflexion
Knee: flexion

33
Q

What is the main nerve supply to the posterior superficial leg muscles?

A

Tibial nerve

34
Q

List the posterior deep muscles of the leg

A

Popliteus
Flexor hallucis longus
Flexor digitorum longus
Tibialis posterior

35
Q

What is the origin + insertion of popliteus?

A

Lateral femoral epicondyle

Posterior tibia

36
Q

What is the nerve + arterial supply to popliteus?

A

Tibial nerve

Popliteal artery

37
Q

Which movements does popliteus enable?

A

Knee: flexion
Leg: rotation

38
Q

What is the origin + insertion of flexor digitorum longus?

A

Middle 1/3 of tibia

Distal phalanges of lateral digits

39
Q

What is the nerve + arterial supply to flexor digitorum longus?

A

Tibial nerve

Posterior tibial artery

40
Q

Which movements does flexor digitorum longus enable?

A

Digits (toes): flexion

41
Q

What is the origin + insertion of flexor hallucis longus?

A

Inferior 2/3 of fibula

Distal phalanx of big toe

42
Q

What is the nerve + arterial supply to flexor hallucis longus?

A

Tibial nerve

Fibular artery

43
Q

Which movements does flexor hallucis longus enable?

A

Toe: flexion
Ankle: plantarflexion

44
Q

What is the origin + insertion of tibialis posterior?

A 
Interosseus membrane (between tibia + fibula)
Navicular + medial cuneiform
45
Q

What is the nerve + arterial supply to tibialis posterior?

A

Tibial nerve

Posterior tibial artery

46
Q

Which movements does tibialis posterior enable?

A

Foot: plantarflexion, inversion

47
Q

What is the main nerve supply to the posterior deep leg muscles?

A

Tibial nerve

2MB MSK Anatomy (10 decks)

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