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Anatomy Test 2 > Muscles Of The Leg > Flashcards

Muscles Of The Leg Flashcards

1
Q

Crural facia

A

Has bony attachments that divide the leg into three compartment

Anterior intermuscular septum
Posterior intermuscular septum
Transverse crural septum

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2
Q

Anterior intermuscular septum

A

Separates anterior and lateral compartments

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3
Q

Posterior intermuscular septum

A

Separates lateral and posterior compartment

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4
Q

Transverse crural septum

A

Separate posterior septum into a superficial and deep layer

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5
Q

Anterior compartment of the leg vessels and muscles

A

Supplied by anterior tibial artery and deep peroneal nerve

Tibialis anterior
Extensor digitorum longus
Extensor Hallucis longus
Peroneus tertius

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6
Q

Tibialis anterior

A

O- superior 2/3 lateral surface of tibia
I- medial cuneiform and base of first metatarsal
N- deep peroneal
A- dorsiflexion and inversion of foot

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7
Q

Extensor digitorum longus

A

O- superior 2/3 of the fibula
I- middle and distal phalanges of the lateral four toes
N- deep peroneal
A- dorsiflexion of the foot and extension of the toes

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8
Q

Extensor Hallicus longus

A

O- middle 1/3 fibula
I- face of distal phalanx of hallux
N- deep peroneal
A- dorsiflexion of the foot and extension of the hallux

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9
Q

Peroneous tertius

A

O- distal end of fibula
I- base of the fifth metatarsal
N- deep peroneal
A- dorsiflexion of the foot and eversion of the foot

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10
Q

Extensor digitorum brevis

A

O- calcaneus
I- long extensor tendon of digits 2-4
N- deep peroneal
A- extension of digits 2-4

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11
Q

Extensor Hallicus brevis

A

O- calcaneus
I- base of proximal phalanx of hallux
N- deep peroneal
A- extension of the big toe

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12
Q

Lateral compartment of the leg

A

Supplied by peroneal artery (which is a branch off posterior tibial artery)
And superficial peroneal nerve

Peroneus longus
Peroneus brevis

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13
Q

Peroneus (Fibularis) longus

A

O- superior 2/3 of the fibula
I- base of the first metatarsal and medial cuneiform
N- superficial peroneal
A- eversion and plantar flexion of the foot

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14
Q

Peroneus (Fibularis) brevis

A

O- distal end of the fibula
I- base of the fifth metatarsal
N- superficial peroneal
A- eversion and plantar flexion of the foot

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15
Q

Posterior compartment of the leg

A

Supplied by posterior tibial artery and tibial nerve

Gastrocnemius
Soleus
Plantaris
Flexor digitorum longus
Flexor hallucis longus
Tibialis posterior
Popliteus

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16
Q

Gastrocnemius

A

O- lateral head from lateral condyle of femur, medial head for medial condyle of femur
I- calcaneus
N- tibial nerve
A- plantar flexion of foot, flexion of knee

17
Q

Soleus

A

O- posterior surface of fibula and tibia
I- calcaneus
N- tibial nerve
A- plantar flexion of the foot

18
Q

Plantaris

A

O- lateral condyle of femur
I- calcaneus
N- tibial nerve
A- plantar flexion of the foot, flexion of leg

19
Q

Flexor digitorum longus

A

O- tibia
I- distal phalanx of lateral four digits
N- tibial nerve
A- flexion of digits 2-5 and plantar flexion of the foot

20
Q

Flexor hallucis longus

A

O- fibula
I- distal phalanx a big toe
N- tibial nerve
A- flexion of hallux and plantar flexion of foot

21
Q

Tibialis posterior

A

O- tibia, fibula, interosseous membrane
I- navicular, cuneiform, cuboid, base of the second, third and fourth metatarsal
N- tibial nerve
A- inversion and plantar flexion of the foot

22
Q

Popliteus

A

O- upper end of tibia
I- lateral condyle of femur
N- tibial nerve
A- rotation of knee joint and knee flexion

23
Q

Extensor retinaculum of foot

A

Wraps around the anterior medial and lateral surface of the foot and ankle

24
Q

Fibular retinaculum

A

Covers fibularis brevis and longus
Anchors them at the peroneal, tubercle and trochlea of calcaneus

25
Q

Flexor retinaculum

A

Allows passageway of all structures into sole of the foot and form roof over tarsal tunnel

Anatomy Test 2 (15 decks)

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