The Leg Flashcards

1
Q

What shape is the tibia in cross section?

A

Triangular

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2
Q

What is the name given to bone infection caused by bacteria, affecting long bones of the leg?

A

Acute osteomyelitis

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3
Q

What does the fibula articulate with superiorly?

A

The lateral condyle of proximal tibia

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4
Q

Name the fibrous joint that unites the tibia and fibula?

A

interosseous membrane

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5
Q

What is the function of the interosseous membrane?

A

site for muscle attachment

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6
Q

What is the aperture at the top of the interosseous membrane for?

A

anterior tibial vessels

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7
Q

What is the aperture at the lower part of interosseous membrane for?

A

anterior peroneal (fibular) vessels

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8
Q

What muscles are contained in the anterior compartment of leg?

A

Tibialis anterior
Extensor hallucis longus
Extensor digitorum longus
Fibularis tertius

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9
Q

A structure that retain an organ or tissue in place?

A

Retinaculum

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10
Q

Which muscle is not present in all individuals?

A

Fibulas tertius muscle

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11
Q

What movement does Fularis terries provide?

A

Dorsiflexion and eversion of the foot

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12
Q

Which artery supplies the anterior compartment of the leg?

A

Anterior tibial artery

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13
Q

Which artery originates from the popliteal artery in the posterior compartment of the leg?

A

Anterior tibial artery

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14
Q

How does the anterior tibial artery pass into the anterior compartment”?

A

through and aperture in the interosseous membrane

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15
Q

what does anterior tibial artery become on the dorsal foot?

A

dorsalis pedis artery

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16
Q

What does dorsals pedis artery give rise to?

A

anterior medial and lateral malleolar arteries

17
Q

What is the deep fibular nerve a branch of?

A

the common fibular nerve

18
Q

what does the deep fibular nerve innervate?

A

The anterior compartment of the leg

19
Q

what muscles are in the lateral compartment of the leg?

A

Fibularis longus

Fibularis brevis

20
Q

What innervates the lateral compartment of the leg>?

A

The superficial fibular nerve

21
Q

What movement does the lateral compartment provide?

A

Eversion of the foot

22
Q

What muscles are in the superficial subcompartment of the posterior compartment?

A

Plantaris
Gastrocnemius
Soleus

23
Q

Which muscles are in the deep subcompartment of the posterior compartment?

A

Popliteal
Flexor hallucis longus
Flexor digitorum longus
Tibialis posterior

24
Q

Where do the muscles of the deep compartment insert?

A

Calcaneus

25
Q

What nerve innervates the deep compartment?

A

Tibial nerve

26
Q

What are the actions of the deep compartment?

A

Plantar flex and invert foot