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Musculoskeletal Anatomy > Anterior and Lateral Leg > Flashcards

Anterior and Lateral Leg Flashcards

1
Q

Separates the anterior compartment from the lateral compartment

A

Anterior intermuscular septum

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2
Q

Separates lateral compartment and posterior compartment

A

Posterior intermuscular septum

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3
Q

Separates deep posterior compartment and anterior compartment

A

Interosseous membrane

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4
Q

Separates superficial from deep muscles in posterior compartment

A

Transverse intermuscular septum

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5
Q

Tibialis anterior origin

A

Lateral condyle/lateral surface of proximal tibia, and interosseous membrane

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6
Q

Insertion of tibialis anterior

A

Base of M1 and medial cuneiform

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7
Q

Tibialis anterior innervation

A

Depp fibular (peroneal) nerve

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8
Q

Tibialis anterior action

A

Ankle dorsiflexion and inversion

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9
Q

Extensor digitorum longus origin

A

Lateral condyle of tibia, medial surface of fibula, and interosseous membrane

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10
Q

Extensor digitorum longus insertion

A

Intermediate and distal phalanges of digits 2-5

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11
Q

Extensor digitorum longus innervation

A

Deep fibular nerve

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12
Q

Extensor digitorum longus action

A

Ankle dorsiflexion
Extend digits 2-5

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13
Q

Extensor hallucis longus origin

A

Anterior surface of fibula and interosseous membrane

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14
Q

Extensor hallucis longus insertion

A

Distal phalanx of digit 1

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15
Q

Extensor hallucis longus innvervation

A

Deep fibular nerve

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16
Q

Extensor hallucis longus action

A

Ankle dorsiflexion
Extend hallux

17
Q

Fibularis (peroneus) tertius origin

A

Anterior surface of fibula, interosseous membrane

18
Q

Fibularis (peroneus) tertius insertion

A

Dorsal surface of base of MT5

19
Q

Fibularis (peroneus) tertius innervation

A

Deep fibular nerve

20
Q

Fibularis (peroneus) tertius action

A

Ankle dorsiflexion
Ankle eversion

21
Q

Fibularis (peroneus) longus origin

A

Proximal (superior) 2/3 of lateral fibula

22
Q

Fibularis (peroneus) longus insertion

A

Base of MT1 and medial cuneiform

23
Q

Fibularis (peroneus) longus innervation

A

Superficial fibular (peroneal) nerve

24
Q

Fibularis (peroneus) longus action

A

Ankle eversion
Ankle plantarflexion

25
Q

Fibularis (peroneus) brevis origin

A

Distal (inferior) 2/3 of lateral fibula

26
Q

Fibularis (peroneus) brevis insertion

A

Tuberosity of MT5

27
Q

Fibularis (peroneus) brevis innervation

A

Superficial fibular (peroneal) nerve

28
Q

Fibularis (peroneus) brevis action

A

Ankle eversion

29
Q

Path of popliteal artery

A

Continuation of femoral artery
Passes through adductor hiatus to enter popliteal fossa
Divides into anterior and posterior tibial arteries

30
Q

Branches of anterior tibial artery

A

Dorsal pedis- at the ankle
Anterior tibial recurrent-fibular head
Anterior medial malleolar
Anterior lateral malleolar

31
Q

Branches of posterior tibial artery

A

Posterior tibial recurrent artery
Circumflex fibular artery
Medial calcaneal artery
Fibular artery

32
Q

Branches of fibular artery

A

Posterior lateral malleolar
Lateral calcaneal artery
Perforating branch (anastomose with lateral malleolar)

Musculoskeletal Anatomy (17 decks)

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