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Anatomy > Muscles Of The Leg > Flashcards

Muscles Of The Leg Flashcards

(52 cards)

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0
Q

Insertion of tibialis anterior

A

By tendon into inferior surface of medial cuneiform and first metatarsal bone

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1
Q

Origin of tibialis anterior

A

Lateral condyle and upper two thirds of tibial shaft; interosseous membrane

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2
Q

Action of tibialis anterior

A

Prime mover in dorsiflexion

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3
Q

Innervation of tibialis anterior

A

Deep fibular nerve

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4
Q

Origin of extensor digitorum longus

A

Lateral condyle of tibia; proximal three-fourths of fibula; interosseous membrane

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5
Q

Insertion of extensor digitorum longus

A

Middle and distal phalanges of toes 2-5 via extensor expansion

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6
Q

Action of extensor digitorum longus

A

Prime mover of toe extension

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7
Q

Innervation of extensor digitorum longus

A

Deep fibular nerve

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8
Q

Origin of fibularis (peroneus) tertius

A

Distal anterior surface of fibula and interosseous membrane

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9
Q

Insertion of fibularis (peroneus) tertius

A

Tendon inserts on dorsum of fifth metatarsal

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10
Q

Action of fibularis (peroneus) tertius

A

Dorsiflexion and everts foot

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11
Q

Innervation of fibularis (peroneus) tertius

A

Deep fibular nerve

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12
Q

Origin of extensor hallucis longus

A

Anteromedial fibula shaft and interosseous membrane

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13
Q

Insertion of extensor hallucis longus

A

Tendon inserts on distal phalanx of great toe

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14
Q

Action of extensor hallucis longus

A

Extends great toe

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15
Q

Innervation of extensor hallucis longus

A

Deep fibular nerve

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16
Q

Origin of fibularis (peroneus) longus

A

Head and upper portion of lateral side of fibula

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17
Q

Insertion of fibularis (peroneus) longus

A

By long tendon that curves under foot to first metatarsal and medial cuneiform

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18
Q

Action of fibularis (peroneus) longus

A

Plantar flexes and everts foot

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19
Q

Innervation of fibularis (peroneus) longus

A

Superficial fibular nerve

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20
Q

Origin of fibularis (peroneus) brevis

Study These Flashcards
A

Distal fibular shaft

21
Q

Insertion of fibularis (peroneus) brevis

Study These Flashcards
A

By tendon running behind lateral malleolus to insert on proximal end of fifth metatarsal

22
Q

Action of fibularis (peroneus) brevis

Study These Flashcards
A

Plantar flexes and everts foot

23
Q

Innervation of the fibularis (peroneus) brevis

Study These Flashcards
A

Superficial fibular nerve

24
Origin of gastrocnemius
By two heads from medial and lateral condyles of femur
25
Insertion of gastrocnemius
Posterior calcaneus via calcaneal tendon
26
Action of gastrocnemius
Plantar flexes foot
27
Innervation of gastrocnemius
Tibial nerve
28
Origin of soleus
Extensive cone shaped origin from superior tibia, fibula, and interosseous membrane
29
Insertion of soleus
Posterior calcaneus via calcaneal tendon
30
Action of soleus
Plantar flexes foot
31
Innervation of soleus
Tibial nerve
32
Origin of plantaris
Posterior femur above lateral condyle
33
Insertion of plantaris
Via a long, thin tendon into calcaneus or calcaneal tendon
34
Action of plantaris
Assists in knee Flexion and plantar Flexion of foot
35
Innervation of plantaris
Tibial nerve
36
Origin of popliteus
Lateral condyle of femur and lateral meniscus of knee
37
Insertion of popliteus
Proximal tibia
38
Action of popliteus
Flexes and rotates leg medially to unlock knee from full extension when Flexion begins
39
Innervation of popliteus
Tibial nerve
40
Origin of flexor digitorum longus
Extensive origin on the posterior tibia
41
Insertion of flexor digitorum longus
Tendon runs behind medial malleolus and splits to insert into distal phalanges of toes 2-5
42
Action of flexor digitorum longus
Plantar flexes and inverts foot; flexes toes
43
Innervation of flexor digitorum longus
Tibial nerve
44
Origin of flexor hallucis longus
Middle part of shaft of fibula; interosseous membrane
45
Insertion of flexor hallucis longus
Tendon runs under foot to distal phalanx of great toe
46
Action of flexor hallucis longus
Plantar flexes and inverts foot; flexes great toe at all joints
47
Innervation of flexor hallucis longus
Tibial nerve
48
Origin of tibialis posterior
Superior tibia and fibula and interosseous membrane
49
Insertion of tibialis posterior
Tendon passes behind medial malleolus and under arch of foot; inserts into several tarsals and metatarsals 2-4
50
Action of tibialis posterior
Prime mover of foot inversion
51
Innervation of tibialis posterior
Tibial nerve

Anatomy (13 decks)

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