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Lower Extremity Anatomy > Lower Leg > Flashcards

Lower Leg Flashcards

1
Q

Tibialis Anterior

Origin

A

Lateral tibial condyle, proximal 1/2 lateral tibia

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2
Q

Tibialis Anterior

Insertion

A

Medial plantar surface of 1st metatarsal base and 1st cuneiform

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3
Q

Tibialis Anterior

Innervation

A

Deep Fibular Nerve (L4-S1)

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4
Q

Tibialis Anterior

Action

A

Ankle: Dorsi flexion
Foot: inversion

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5
Q

Extensor Digitorum Longus

Origin

A

Lateral tibial condyle, proximal medial fibula and interosseous membrane

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6
Q

Extensor Digitorum Longus

Insertion

A

Distal Phalanges toes 2-5

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7
Q

Extensor Digitorum Longus

Innervation

A

Deep Fibular Nerve (L4-S1)

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8
Q

Extensor Digitorum Longus

Action

A

Ankle: Dorsi flexion
Foot: extend 2nd-5th digits

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9
Q

Extensor Hallucis Longus

Origin

A

Medial surface of fibula and interosseous membrane

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10
Q

Extensor Hallucis Longus

Insertion

A

Distal phalanx 1st toe

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11
Q

Extensor Hallucis Longus

Innervation

A

Deep Fibular Nerve (L4-S1)

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12
Q

Extensor Hallucis Longus

Action

A

Ankle: dorsiflexion
Foot: extend 1st digit

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13
Q

Fibularis Tertius

Origin

A

Distal 1/3rd of anterior fibula and interosseous membrane

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14
Q

Fibularis Tertius

Insertion

A

Base of 5th metatarsal

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15
Q

Fibularis Tertius

Innervation

A

Deep Fibular Nerve (L4-S1)

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16
Q

Fibularis Tertius

Action

A

Ankle: dorsiflexion
Foot: eversion

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17
Q

Fibularis Longus

Origin

A

Head and proximal 2/3rd lateral fibula

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18
Q

Fibularis Longus

Insertion

A

Lateral plantar surface of 1st metatarsal base and 1st cuneiform

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19
Q

Fibularis Longus

Innervation

A

Superficial Fibular Nerve (L5-S1)

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20
Q

Fibularis Longus

Action

A

Ankle: plantar flexion
Foot: eversion

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21
Q

Fibularis Brevis

Origin

A

Distal 1/3rd lateral fibula

22
Q

Fibularis Brevis

Insertion

A

Base of 5th metatarsal

23
Q

Fibularis Brevis

Innervation

A

Superficial Fibular Nerve (L5-S1)

24
Q

Fibularis Brevis

Action

A

Ankle: plantar flexion
Foot: eversion

25
Q

Gastrocnemius

Origin

A

Medial Head: medial femoral condyle

Lateral Head: lateral femoral condyle

26
Q

Gastrocnemius

Insertion

A

Posterior surface of calcaneus

27
Q

Gastrocnemius

Innervation

A

Tibial Nerve (L4-S3)

28
Q

Gastrocnemius

Action

A

Leg: flexion
Ankle: plantar flexion

29
Q

Soleus

Origin

A

Head and proximal fibula, soleal line of tibia

30
Q

Soleus

Insertion

A

Posterior surface of calcaneus

31
Q

Soleus

Innervation

A

Tibial Nerve (L4-S3)

32
Q

Soleus

Action

A

Ankle: plantar flexion

33
Q

Plantaris

Origin

A

Lateral supracondylar line

34
Q

Plantaris

Insertion

A

Posterior tibia proximal to soleal line

35
Q

Plantaris

Innervation

A

Tibial Nerve (L4-S3)

36
Q

Plantaris

Action

A

Leg: weak flexion
Ankle: plantar flexion

37
Q

Popliteus

Origin

A

Lateral femoral condyle, lateral meniscus of knee

38
Q

Popliteus

Insertion

A

Posterior tibia proximal to soleal line

39
Q

Popliteus

Innervation

A

Tibial Nerve (L4-S3)

40
Q

Popliteus

Action

A

Leg: flexion, medial rotation of tibia

Closed chain: lateral rotation of femur

41
Q

Tibialis Posterior

Origin

A

Posterior surface of interosseous membrane, posterior surface of tibia, posterior surface of fibula

42
Q

Tibialis Posterior

Insertion

A

Plantar surface of navicular bone, 1-3 cuneiform, cuboid, 2-4 metatarsals

43
Q

Tibialis Posterior

Innervation

A

Tibial Nerve (L4-S3)

44
Q

Tibialis Posterior

Action

A

Ankle: Plantar flexion
Foot: supination

45
Q

Flexor Digitorum Longus

Origin

A

Posterior Surface of tibia

46
Q

Flexor Digitorum Longus

Insertion

A

Distal phalanges toes 2-5

47
Q

Flexor Digitorum Longus

Innervation

A

Tibial Nerve (L4-S3)

48
Q

Flexor Digitorum Longus

Action

A

Ankle: plantar flexion
Foot: flexes 2-5 digits, supination

49
Q

Flexor Hallucis Longus

Origin

A

Posterior Surface of tibia

50
Q

Flexor Hallucis Longus

Insertion

A

Distal phalanx 1st toe

51
Q

Flexor Hallucis Longus

Innervation

A

Tibial Nerve (L4-S3)

52
Q

Flexor Hallucis Longus

Action

A

Ankle: plantar flexion
Foot: flexes 1st digit, supination

Lower Extremity Anatomy (4 decks)

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