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Anatomy > Posterior Leg Compartment Muscles > Flashcards

Posterior Leg Compartment Muscles Flashcards

1
Q

What are the Origin’s of Soleus

A

Posterior aspect of Head of Fibula, Superior 1/4 of Posterior surface of Fibula, Soleal Line of Tibia, Medial Border of Tibia

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2
Q

What is the Insertion of Soleus

A

Calcaneus via Achilles Tendon

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3
Q

What are the Actions of Soleus

A

Plantar Flexion, Steadies Leg on Foot

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4
Q

What is the Innervation of Soleus

A

Tibial Nerve

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5
Q

What are the Origin’s of Gastrocnemius

A

Medial Head - Superior aspect of Medial Femoral Condyle

Lateral Head - Lateral aspect of Lateral Femoral Condyle

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6
Q

What is the Insertion of Gastrocnemius

A

Calcaneus via Achilles Tendon

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7
Q

What are the Actions of Gastrocnemius

A

Plantar Flexion of Ankle, Knee Flexion

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8
Q

What is the Innervation of Gastrocnemius

A

Tibial Nerve

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9
Q

What is the Location of Popliteus

A

Deep to Plantaris; floor of Popliteal Fossa

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10
Q

What are the Origins of Popliteus

A

Lateral Femoral Condyle and Lateral Meniscus

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11
Q

What is the Insertion of Popliteus

A

Posterior superior surface of Tibia (superior to Soleal line)

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12
Q

What are the Actions of Popliteus

A

Unlocks the Knee; weak Knee Flexion

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13
Q

What is the Innervation of Popliteus

A

Tibial Nerve

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14
Q

What are the Origins of Flexor Hallucis Longus

A

Inferior 2/3 of Posterior surface of Fibula, Inferior part of Interosseous Membrane

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15
Q

What is the Insertion of Flexor Hallucis Longus

A

Distal Phalanx of Great Toe on Plantar surface

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16
Q

What are the Actions of Flexor Hallucis Longus

A

Flexion of Great Toe, Plantar Flexion of Ankle

17
Q

What is the Innervation of Flexor Hallucis Longus

A

Tibial Nerve

18
Q

What is the Location of Plantaris

A

Between Gastrocnemius and Soleus, (often absent)

19
Q

What are the Origins of Plantaris

A

Inferior of Lateral Supracondylar Line of Femur; Oblique Popliteal Ligament

20
Q

What is the Insertion of Plantaris

A

Calcaneus via Achilles Tendon

21
Q

What is the Action of Plantaris

A

Weak Plantar Flexion

22
Q

What are the Origins of Flexor Digitorum Longus

A

Middle Posterior surface of Tibia, Inferior to Soleal Line, Fascia covering Tibialis Posterior

23
Q

What is the Insertion of Flexor Digitorum Longus

A

Base of Distal Phalanx of Digit’s 2-5 on Plantar surface

24
Q

What are the Actions of Flexor Digitorum Longus

A

Flexion of Toes, Plantar Flexion of Ankle

25
Q

What is the Innervation of Flexor Digitorum Longus

A

Tibial Nerve

26
Q

What is the Location of Tibialis Posterior

A

Deepest of group

27
Q

What are the Origins of Tibialis Posterior

A

Posterior surface of Tibia, inferior to Soleal Line, Posterior surface of Fibula and Interosseous Membrane

28
Q

What are the Insertions of Tibialis Posterior

A

Navicular, Cuboid, Medial Cuneiform, Bases of Metatarsals 2-4 (plantar surface)

29
Q

What is the Innervation of Tibialis Posterior

A

Tibial Nerve

Anatomy (30 decks)

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