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Clinical Anatomy 1 Aryssara > Leg > Flashcards

Leg Flashcards

1
Q

What separates the anterior and lateral compartments of the leg?

A

Anterior crural intermuscular septum

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2
Q

What separates the lateral and posterior compartments of the leg?

A

Posterior crural intermuscular septum

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3
Q

What separates the superficial and deep posterior compartments of the leg?

A

Transverse intermuscular septum

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4
Q

What are the attachments of the superior extensor retinaculum?

A

Distal tibia to distal fibula

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5
Q

What are the attachments of the inferior extensor retinaculum?

A

Calcaneus to navicular and medial malleolus.

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6
Q

What are the attachments of the superior fibular retinaculum?

A

Lateral malleolus to calcaneus

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7
Q

What are the attachments of the inferior fibular retinaculum?

A

Inferior extensor retinaculum to calcaneous.

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8
Q

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

A

Tibialis Anterior
Extensor Hallucis Longus
Extensor Digitorum Longus
(Fibularis Tertius)

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9
Q

What are the actions of the muscles in the anterior compartment of the leg?

A

Ankle Dorsiflexion, inversion and toe extension.

If fibularis tertius was isolated it could do Eversion

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10
Q

What is the main innervation and blood supply of the anterior compartment of the leg?

A

Deep Fibular Nerve

Anterior Tibial Artery.

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11
Q

What are the muscles of the lateral compartment of the leg?

A

Fibularis Longus

Fibularis Brevis

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12
Q

What are the actions of the muscles in the lateral compartment of the leg?

A

Eversion and Plantar Flexion

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13
Q

What is the main innervation and blood supply of the lateral compartment of the leg?

A

Superficial Fibular Nerve

Fibular Artery

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14
Q

What are the muscles of the superficial posterior compartment of the leg?

A

Gastrocnemius
Soleus
Plantaris

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15
Q

What are the actions of the muscles in the superficial poster compartment of the leg?

A

Plantar Flexion and Knee Flexion

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16
Q

What is the main innervation and blood supply of the superficial and deep posterior compartments of the leg?

A

Tibial Nerve

Posterior Tibial Artery

17
Q

What are the muscles of the deep posterior compartment of the leg?

A

Popliteus
Flexor Digitorum Longus
Flexor Hallucis Longus
Tibialis Posterior

18
Q

What are the actions of the muscles in the deep posterior compartment of the leg?

A

Plantar Flexion, Inversion, Toe Flexion, and Knee Flexion (popliteus)

19
Q

What are the common spinal cord segments of the anterior and lateral leg muscles?

A

L4-S1

20
Q

What dermatome is associated with the 1st toe?

A

L4

21
Q

What dermatome is associated with the 5th toe?

A

S1

22
Q

What dermatome is associated with the heel?

A

S2

23
Q

What is the location and pathway of the common fibular nerve?

A

You can find it deep to proximal fibularis longus and it curves around the neck of the fibula. It splits deep to fibularis longus into superficial and deep fibular nerves.

24
Q

What nerve descends with anterior tibial artery?

A

Deep fibular nerve.

25
Q

What two muscles does the deep fibular nerve run inbetween?

A

Tibialis anterior and extensor hallucis longus

26
Q

What does the tibial nerve split into?

A

Lateral and medial plantar nerves

27
Q

What does the sural nerve branch off of?

A

Tibial Nerve

28
Q

What does the tibial nerve run with?

A

Popliteal artery and vein and then continues on with posterior tibial artery.

29
Q

Superficial fibular nerve supplies what two muscles?

A

Fibularis longus and brevis.

30
Q

What are the common spinal cord segments for the Anterior and Lateral leg muscles?

A

L4-S1

31
Q

What are the common spinal cord segments for flexor digitorum longus, flexor hallucis longus, and soleus?

A

L5-S2

32
Q

What are the common spinal cord segments for gastrocnemius?

A

S1-2

33
Q

What are the common spinal cord segments for plantaris, popliteus, and tibialis posterior?

A

L4-S1

Clinical Anatomy 1 Aryssara (16 decks)

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