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Y2 MSK Anatomy > Leg > Flashcards

Leg Flashcards

1
Q

List the anterior muscles of the leg

What is their main movement?

A

Tibialis anterior
Extensor digitorum longus
Extensor hallucis longus
Fibularis tertius

Dorsiflexors of ankle and toe extensors

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2
Q

What is the main nerve supply to the anterior leg muscles?

A

Deep fibular nerve (L4, 5)

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3
Q

List the lateral muscles of the leg

What is their main movement?

A

Fibularis longus
Fibularis brevis
Eversion of foot, ankle plantarflexion

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4
Q

What is the main nerve supply to the lateral leg muscles?

A

Superficial fibular nerve (L5, S1, S2)

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5
Q

List the posterior superficial muscles of the leg

What is their main movement?

A

Gastrocnemius
Soleus
Plantaris
Ankle plantarflexion, knee flexion

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6
Q

What is the main nerve supply to the posterior superficial leg muscles?

A

Tibial nerve

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7
Q

List the posterior deep muscles of the leg

What is their main movement?

A

Popliteus
Flexor hallucis longus
Flexor digitorum longus
Tibialis posterior

Toe flexion, ankle plantarflexion

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8
Q

What is the main nerve supply to the posterior deep leg muscles?

A

Tibial nerve

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9
Q

What type and class is the knee joint? What is it’s main movement?

A

Hinge
Synovial
FL-EX (some rotation)

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10
Q

What are the main articulations of the knee joint?

A

2 x femorotibial

1 x femoropatellar

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11
Q

What are the extra- and intracapsular ligaments of the knee joint?

A

Medial and lateral collateral ligaments
Anterior and posterior cruciate ligaments
Medial and lateral menisci

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12
Q

What material are menisci composed of?

A

Fibrocartilage

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13
Q

What is genu varum and genu valgum?

A

Bendy/bowy legs

Knock knees

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14
Q

What are the boundaries of the popliteal fossa?

A

SL - biceps femoris
SM - semimembranous
I - gastrocnemius
Roof - popliteal fossa

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15
Q

What are the components of the popliteal NVB (superficial - deep)?

A

Tibial nerve
Popliteal vein
Popliteal artery

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16
Q

What are the branches of the popliteal artery, and what do they become?

A

Anterior tibial artery —> Dorsalis pedis
Posterior tibial artery —> Fibular artery
M + L plantar arteries

17
Q

The calcaneal tendon is known as…

A

Achilles tendon

18
Q

The calcaneal tendon is a combination of what two tendons?

A

Gastrocnemus

Soleus

19
Q

What is the normal tibiofemoral angle?

A

6 degrees valgus

20
Q

What chronic condition can result due to prolonged genu varum or genu valgus?

A

OA

21
Q

How are genu varum and genu valgus treated?

A

Growth manipulation in children

Osteotomy in adults

22
Q

What is the function of the bursae of the knee?

A

Reduce friction

Y2 MSK Anatomy (10 decks)

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