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Anatomy > Muscles of the lower leg (Anterior/Posterior) > Flashcards

Muscles of the lower leg (Anterior/Posterior) Flashcards

1
Q

Soleus (Origin & Insertion)

A

O: Soleal line & sup fibula
I: Calcaneal tuberosity via tendo calcaneus

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2
Q

Soleus (Actions)

A

Prime mover for plantarflexing the ankle

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3
Q

Soleus (Nerve & Artery)

A

N: Tibial N
A: Post tibial A

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4
Q

Plantaris (Origin & Insertion)

A

O: Inf lat supracondylar line
I: Calcaneal tuberosity

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5
Q

Plantaris (Actions)

A

Plantarflexes ankle

Flexes knee

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6
Q

Plantaris (Nerve & Artery)

A

N: Tibial N
A: Post tibial A

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7
Q

Popliteus (Origin & Insertion)

A

O: Lat femoral epicondyle
I: popliteal line

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8
Q

Popliteus (Actions)

A

Flexes & internally rotates knee

I/O lat rotates knee & retracts lat meniscus

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9
Q

Popliteus (Nerve & Artery)

A

N: Tibial N
A: Post tibial A

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10
Q

Gastrocnemius (Origin & Insertion)

A

O: Post med & lat femoral condyles
I: Calcaneal tuberosity via tendo calcaneus

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11
Q

Gastrocnemius (Actions)

A

Prime mover for plantarflexing ankle

I/O flexes knee

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12
Q

Gastrocnemius (Nerve & Artery)

A

N: Tibial N
A: Post tibial A

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13
Q

Flexor Digitorum Longus (Origin & Insertion)

A

O: Middle post tibia
I: Through med malleolus sulcus to distal phalanges of dig II-V

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14
Q

Flexor Digitorum Longus (Actions)

A

Prime mover for flexing dig II-V
Plantarflexes ankle
Inverts pes

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15
Q

Flexor Digitorum Longus (Nerve & Artery)

A

N: tibial N
A: Post tibial A

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16
Q

Tibialis Posterior (Origin & Insertion)

A

O: Lat to soleal line from lat tibia to med fibula
I: Through med malleolus sulcus to plantar instep

17
Q

Tibialis Posterior (Actions)

A

Prime mover for inverting pes

Plantarflexes ankle

18
Q

Tibialis Posterior (Nerve & Artery)

A

N: Tibial N
A: Post tibial A

19
Q

Flexor Hallucis Longus (Origin & Insertion)

A

O: Post fibular diaphysis
I: Through sustentaculum tali sulcus to distal hallucal phalanx

20
Q

Flexor Hallucis Longus (Actions)

A

Flexes hallux
Plantarflexes ankle
Inverts pes

21
Q

Flexor Hallucis Longus (Nerve & Artery)

A

N: Tibial N
A: Post tibial A

22
Q

Tibialis Anterior (Origin & Insertion)

A

O: Ant border, lat tibia, & interosseus membrane
I: Bottom of the instep

23
Q

Tibialis Anterior (Actions)

A

Prime mover for dorsiflexing the ankle

Inverts pes

24
Q

Tibialis Anterior (Nerve & Artery)

A

N: Deep fibular N
A: Ant tibial A

25
Q

Extensor Hallucis Longus (Origin & Insertion)

A

O: Middle ant fibula & interosseus membrane
I: Distal phalanx of hallux

26
Q

Extensor Hallucis Longus (Actions)

A

Extends hallux
Dorsiflexes ankle
Inverts pes

27
Q

Extensor Hallucis Longus (Nerve & Artery)

A

N: Deep fibular N
A: Ant tibial A

28
Q

Extensor Digitorum Longus (Origin & Insertion)

A

O: Sup ant fibula & interosseus membrane
I: Extensor expansions of dig II-V

29
Q

Extensor Digitorum Longus (Actions)

A

Prime mover for extending dig II-V
Dorsiflexes ankle
Everts pes

30
Q

Extensor Digitorum Longus (Nerve & Artery)

A

N: Deep fibular N
A: Ant tibial A

31
Q

Fibularis Tertius (Origin & Insertion)

A

O: Inf portion of extensor digitorum longus
I: Mt. V tuberosity

32
Q

Fibularis Tertius (Actions)

A

Everts pes

Dorsiflexes the ankle

33
Q

Fibularis Tertius (Nerve & Artery)

A

N: Deep fibular N
A: Ant tibial A

34
Q

Fibularis Longus (Origin & Insertion)

A

O: Fibular head & sup lat diaphysis
I: Through lat malleolus sulcus & calcaneal sulcus & then across the plantar region to Mt. I base

35
Q

Fibularis Longus (Actions)

A

Plantarflexes the ankle

Everts the pes

36
Q

Fibularis Longus (Nerve & Artery)

A

N: Superf fibular N
A: Fibular A

37
Q

Fibularis Brevis (Origin & Insertion)

A

O: Inf lat fibular diaphysis
I: Through lat malleolus sulcus & calcaneal sulcus to Mt. V tuberosity

38
Q

Fibularis Brevis (Actions)

A

Plantarflexes the ankle

Everts the pes

39
Q

Fibularis Brevis (Nerve & Artery)

A

N: Superf fibular N
A: Fibular A

Anatomy (13 decks)

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