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Spot Term 2 > Lower Limb 4 Leg > Flashcards

Lower Limb 4 Leg Flashcards

1
Q

What artery supplies anterior compartment of leg?

A

Anterior Tibial Artery

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2
Q

What are the 4 muscles of anterior compartment of the leg?

A

Tibialis Anterior
Extensor Digitorum Longus
Extensor Hallucis Longus
Fibularis Tertius

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3
Q

Tibialis Anterior - Origin

A

Lateral condyle of tibia

Upper half of tibia

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4
Q

Tibialis Anterior - Insertion

A

Medial Cuneiform

1st Metatarsal bone

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5
Q

Tibialis Anterior - Innervation

A

Deep Fibular Nerve (L5-S2)

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6
Q

Tibialis Anterior - Action

A

Dorsiflexion of foot

Inversion of foot

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7
Q

Extensor Digitorum Longus - Origin

A

Anterior lateral condyle of tibia
anterior shaft of fibula
Superior 3/4 of interosseous membrane

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8
Q

Extensor Digitorum Longus - Insertion

A

Dorsal surface - Middle and distal phalanges of digits 2-5

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9
Q

Extensor Digitorum Longus - Innervation

A

Deep Fibular Nerve (L5-S2)

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10
Q

Extensor Digitorum Longus - Action

A

Extension of toes 2-5

Dorsiflexion of foot

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11
Q

Extensor Hallucis Longus - Origin

A

Middle portion of anterior fibula

Middle portion of interosseous membrane

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12
Q

Extensor Hallucis Longus - Insertion

A

Dorsal side of base of distal phalanx of big toe

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13
Q

Extensor Hallucis Longus - Innervation

A

Deep Fibular nerve (L5-S2)

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14
Q

Extensor Hallucis Longus - Action

A

Extends big toe

Dorsiflexion of foot

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15
Q

Fibularis Tertius - Origin

A

Distal anterior surface of fibula

Adjacent interroseous membrane

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16
Q

Fibularis Tertius - Insertion

A

Dorsal Surface of Metatarsal 5

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17
Q

Fibularis Tertius - Innervation

A

Deep Fibular Nerve (L5-S2)

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18
Q

Fibularis Tertius - Action

A

Eversion

Dorsiflexion of foot

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19
Q

Describe the origin and course of anterior tibial artery

A

Arises from popliteal artery and passes from posterior to anterior compartment via hiatus in interroseous membrane
Lies deep to extensor digitorum longus and continues as dorsalis pedis artery

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20
Q

What artery supplies the lateral compartment?

A

Fibular Artery

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21
Q

Name the muscles of lateral compartment

A

Fibularis Longus

Fibularis Brevis

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22
Q

Fibularis Longus - Origin

A

Superior and lateral surface of fibula and lateral tibial condyle

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23
Q

Fibularis Longus - Insertion

A

Plantar side of metatarsal 1 and medial cuneiform

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24
Q

Fibularis Longus - Innervation

A

Superficial Fibular Nerve (L4-S1)

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25
Q

Fibularis Longus - Action

A

Eversion of foot
Plantarflexion of foot
Supports lateral and transverse arch of foot

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26
Q

Fibularis Brevis - Origin

A

Inferior and lateral surface of fibular shaft

27
Q

Fibularis Brevis - Insertion

A

Tubercle of metatarsal 5

28
Q

Fibularis Brevis - Innervation

A

Superficial Fibular Nerve (L4-S1)

29
Q

Fibularis Brevis - Actions

A

Eversion of foot

30
Q

Describe symptoms of common fibular nerve damage and where is it commonly injured?

A 
Wraps around neck of fibula
Symptoms - Decreased sensation, numbness, tingling in foot
- Footdrop
- Slapping Gait
- Loss of muscle mass
31
Q

What artery supplies posterior compartment of leg?

A

Posterior Tibial Artery

32
Q

Name the muscles of posterior compartment of leg

A

Superficial - Gastrocnemius, Soleus, Plantaris

Deep - Popliteus, Flexor Digitorum Longus, Flexor Hallucis Longus, Tibialis Posterior

33
Q

What divides the deep and superficial compartments of posterior leg?

A

Transverse Intermuscular Septum

34
Q

Gastrocnemius - Origin

A

Lateral Head - Lateral femoral condyle

Medial Head - Medial Femoral Condyle

35
Q

Gastrocnemius - Insertion

A

Muscle belly combines and forms calcaneal tendon with soleus

Inserts onto calcaneus

36
Q

Gastrocnemius - Innervation

A

Tibial Nerve (L4-S3)

37
Q

Gastrocnemius - Action

A

Plantarflexes foot

Flexes knee

38
Q

Soleus - Origin

A

Soleal Line of tibia

39
Q

Soleus - Insertion

A

Joins calcaneal tendon into calcaneus

40
Q

Soleus - Innervation

A

Tibial Nerve (L4-S3)

41
Q

Soleus - Action

A

Plantarflexes foot

42
Q

Plantaris - Origin

A

Lateral Supracondylar line of femur

43
Q

Plantaris - Insertion

A

Tendon runs in gastrocnemius and soleus and blends into calcaneal tendon medially

44
Q

Plantaris - Innervation

A

Tibial Nerve (L4-S3)

45
Q

Plantaris - Action

A

Plantarflexes foot

Flexor of knee

46
Q

Popliteus - Origin

A

Posterior surface of proximal tibia

47
Q

Popliteus - Insertion

A

Lateral condyle of femur

48
Q

Popliteus - Innervation

A

Tibial Nerve (L4-S3)

49
Q

Popliteus - Action

A

Laterally Rotates femur on tibia

50
Q

Flexor Digitorum Longus - Origin

A

Medial side of posterior surface of tibia

51
Q

Flexor Digitorum Longus - Insertion

A

Plantar surfaces of bases of distal phalanges of lateral 4 toes (2-5)

52
Q

Flexor Digitorum Longus - Innervation

A

Tibial Nerve ( L4-S3)

53
Q

Flexor Digitorum Longus - Action

A

Plantarflexes lateral 4 toes

54
Q

Flexor Hallucis Longus - Origin

A

Posterior surface of fibula and adjacent interosseous membrane

55
Q

Flexor Hallucis Longus - Insertion

A

Plantar surface of distal phalanx of great toe

56
Q

Flexor Hallucis Longus - Innervation

A

Tibial Nerve (L4-S3)

57
Q

Flexor Hallucis Longus - Action

A

Plantarflexes great toe

58
Q

Tibialis Posterior - Origin

A

Posterior proximal surface of interosseous membrane and adjacent tibia and fibula

59
Q

Tibialis Posterior - Insertion

A

Tuberosity of navicular and medial cuneiform on plantar surface

60
Q

Tibialis Posterior - Innervation

A

Tibial Nerve (L4-S3)

61
Q

Tibialis Posterior - Action

A

Inverts foot
Plantarflexes foot
Supports medial longitudinal arch

62
Q

Describe the course of the posterior and lateral compartment tendons into the foot

A

Posterior - Posterior to medial malleolus

Lateral Compartment - Posterior to lateral malleolus

63
Q

Give the order of the tendons that pass the medial malleolus (anteriorly to posteriorly)

A 
Tibialis Posterior
Flexor Digitorum Longus
Posterior Tibial Artery
Tibial Nerve
Flexor Hallucis Longus
(Tom, Dick And Nervous Harry)

Spot Term 2 (9 decks)

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