Anterior and Lateral Leg Flashcards by Deleted Deleted

Which of the following compartments of the leg is associated with dorsiflexion/extension?

A. Deep Posterior

B. Superficial Posterior

C. Lateral

D. Anterior

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

Tibialis Anterior M.

Extensor Hallucis Longus M.

Extensor Digitorum Longus M.

Fibularis Tertius M.

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What nerve supplies the anterior compartment of the leg, and begins between the fibula and Fibularis Longus M.?

Deep Fibular N.

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What 2 locations does the Tibialis Anterior originate from?

A. Medial Tibial Condyle

B. Lateral Tibial Condyle

C. Fibula (anterior surface)

D. Interosseous Membrane

E. Superomedial 1/2 of Tibia

F. Superolateral 1/2 of Tibia

Lateral Tibial Condyle

Superolateral 1/2 of Tibia

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What 3 locations does the Extensor Digitorum Longus M. originate from?

A. Medial Tibial Condyle

B. Lateral Tibial Condyle

C. Fibula (anterior surface)

D. Interosseous Membrane

E. Superomedial 1/2 of Tibia

F. Superolateral 1/2 of Tibia

Lateral Tibial Condyle

Interosseous Membrane

Fibula (anterior surface)

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What structure does the Fibularis Tertius originate from?

A. Medial Tibial Condyle

B. Lateral Tibial Condyle

C. Fibula (anterior surface)

D. Interosseous Membrane

E. Superomedial 1/2 of Tibia

F. Superolateral 1/2 of Tibia

Fibula (anterior surface)

specifically anteroinferior surface of the fibula

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What 2 structures does the Extensor Hallucis Longus M. originate from?

A. Medial Tibial Condyle

B. Lateral Tibial Condyle

C. Fibula (anterior surface)

D. Interosseous Membrane

E. Superomedial 1/2 of Tibia

F. Superolateral 1/2 of Tibia

Interosseous Membrane

Fibula (anterior surface)

specifically anteromedial surface

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T/F: Extensor Digitorum and Hallucis are going to at least originate from the interosseous membrane

True

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What 2 locations does the Tibialis Anterior insert?

A. Medial surface of Medial Cuneiform

B. Medial surface of Lateral Cuneiform

C. 1st metatarsal

D. Dorsum of Base of 5th metatarsal

E. Base of distal phalanx of 1st digit

Medial surface of Medial Cuneiform

1st metatarsal

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Describe how the Extensor Digitorum Longus M. inserts onto the foot?

Forms an extensor expansion over digits 2-5 and sends 2 lateral slips and 1 central slip

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Where does the Fibularis Tertius insert?

A. Medial surface of Medial Cuneiform

B. Medial surface of Lateral Cuneiform

C. 1st metatarsal

D. Dorsum of Base of 5th metatarsal

E. Base of distal phalanx of 1st digit

Dorsum of Base of 5th metatarsal

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What 2 structures does the Extensor Hallucis Longus M. insert on?

A. Medial surface of Medial Cuneiform

B. Medial surface of Lateral Cuneiform

C. 1st metatarsal

D. Dorsum of Base of 5th metatarsal

E. Base of distal phalanx of 1st digit

Base of distal phalanx of 1st digit

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T/F: The Tibialis Posterior and Anterior can invert the foot

True

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What actions can the Tibialis Anterior M. perform?

A. Dorsiflexion

B. Inversion

C. Extend Digits 2-5

D. Eversion

E. Extend 1st Digit

Dorsiflexion

Inversion

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What actions can the Extensor Digitorum Longus M. perform?

A. Dorsiflexion

B. Inversion

C. Extend Digits 2-5

D. Eversion

E. Extend 1st Digit

Dorsiflexion

Extend Digits 2-5

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What actions can the Fibularis Tertius M. perform?

A. Dorsiflexion

B. Inversion

C. Extend Digits 2-5

D. Eversion

E. Extend 1st Digit

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Eversion

Dorsiflexion

What actions can the Extensor Hallucis Longus M. perform?

A. Dorsiflexion

B. Inversion

C. Extend Digits 2-5

D. Eversion

E. Extend 1st Digit

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Extend 1st Digit
Dorsiflexion

The Deep Fibular nerve serves which of the following locations?

A. Posterior Leg

B. Skin between 4th and 5th digit

C. Skin between 1st and 2nd digit

D. Dorsal extrinsic foot muscles

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Skin between 1st and 2nd digit

What structure demarcates the approximate point of division of the anterior and posterior tibial arteries?

A. Femoral Head

B. Fibular Head

C. Lateral Epicondyle of the Tibia

D. Tibial Tuberosity

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Tibial Tuberosity

Which of the following arteries travels with the Deep Fibular N. and supplies the musculature of the anterior leg?

A. Posterior Tibial A.

B. Anterior Tibial A.

C. Deep Fibular A.

D. Fibular A.

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Anterior Tibial A.

The Anterior Tibial A. passes anteriorly over the interosseous membrane, and ends at the ankly between malleoli to become what artery?

A. Common Dorsal A.

B. Proper Plantar A.

C. Dorsalis Pedis A.

D. All of the above

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Dorsalis Pedis A.

The Lateral Compartment of the leg is comprised of 2 muscles and 1 nerve. What are they?

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Fibularis Brevis M.

Fibularis Longus M.

Superficial Fibular N.

The cuboid sulcus has a groove for the tendon of what muscle?

A. Flexor Hallucis Longus M.

B. Fibularis Longus M.

C. Fibularis Brevis M.

D. Fibularis Tertius M.

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Fibularis Longus M.

What 2 actions do the muscles of the lateral leg compartment perform? (Fibularis Longus & Brevis)

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Eversion

Plantarflexion

What muscle of the lateral compartment of the leg runs obliquly across the foot?

Fibularis Longus M.

What is the insertion of the Fibularis Longus M.? 2 A. 1st metatarsal B. Medial Cuneiform C. Lateral Cuneiform D. Dorsal surface on lateral side of 5th metatarsal

1st metatarsal Medial Cuneiform

What is the insertion of the Fibularis Brevis M.? A. 1st metatarsal B. Medial Cuneiform C. Lateral Cuneiform D. Dorsal surface on lateral side of 5th metatarsal

Dorsal surface on lateral side of 5th metatarsal

What are the two origins of the Fibularis Longus M.? A. Head of Fibula B. 2/3rds of superomedial Fibula C. 2/3rds of superolateral Fibula D. Inferomedial Fibula E. Inferolateral Fibula

Head of Fibula 2/3rds of superolateral Fibula

What is the origin of the Fibularis Brevis M.? A. Head of Fibula B. 2/3rds of superomedial Fibula C. 2/3rds of superolateral Fibula D. Inferomedial Fibula E. Inferolateral Fibula

Inferolateral Fibula

Which of the following nerves supplies most of the dorsal surface of the foot, and most of the dorsal aspect of digits? A. Deep Fibular N. B. Superficial Fibular N. C. Tibial N. D. Sciatic N.

Superficial Fibular N.

Injury of the _________ results in paralysis of all anterior and lateral leg muscles coined as "Foot Drop". It also results in loss of sensation of the anterolateral leg and dorsum of the foot. A. Superficial Fibular N. B. Deep Fibular N. C. Common Fibular N. D. Tibial N.

Common Fibular N.

T/F: Fasciotomy may be performed to relieve pressure in leg compartments after injury that causes intracompartmental pressure that leads to ischemia and permanent injury

True

A mild form of compartment syndrome, is called Shin splints. Shin Splints are caused by repetitive trauma to the \_\_\_\_\_\_\_\_\_\_\_, that induces small tears to periosteum over the tibia. A. Fibularis Longus M. B. Gastrocnemius M. C. Tibialis Posterior M. D. Tibialis Anterior M.

Tibialis Anterior M.

Anterior and Lateral Leg Flashcards

(33 cards)