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Ankle > Muscles + innervation > Flashcards

Muscles + innervation Flashcards

1
Q

Dorsiflexors

A
  1. Tibialis anterior
  2. Extensor hallucis longus
  3. Extensor digitorum longus
  4. Fibularis/peroneus tertius
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2
Q

Plantarflexors

A

Primary
1. Gastrocnemius
2. Soleus
3. Plantaris

Secondary
1. Fibularis brevis
2. Fibularis longus
3. Tibialis posterior
4. Flexor digitorum longus
5. Flexor hallucis longus

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3
Q

Evertors

A
  1. Fibularis tertius
  2. Fibularis brevis
  3. Fibularis longus
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4
Q

Invertors

A
  1. Tibialis anterior
  2. tibialis posterior
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5
Q

What nerve supplies dorsiflexors?

A

Deep peroneal/fibular nerve

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6
Q

What nerve supplies plantarflexors?

A

Tibial nerve

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7
Q

What nerve supplies ankle invertors?

A

Tibial nerve

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8
Q

Tibialis anterior

A

O: lateral condyle and proximal half of lateral surface of tibia
I: inferomedial aspect of medial cuneiform bone and base of first metatarsal bone

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9
Q

Extensor hallucis longus

A

O: medial surface of fibula
I: dorsal aspect of base of distal phalanx of big toe

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10
Q

Extensor digitorum longus

A

O: lateral condyle of tibia
I: dorsal aspects of bases of middle and distal phalanges of little toes

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11
Q

FIbularis/peroneus tertius

A

O: medial surface of fibula
I: dorsal aspect of base and body of 5th metatarsal bone

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12
Q

Gastrocnemius

A

O: condyles of femur
I: posterior surface of calcaneus via calcaneal tendon

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13
Q

Soleus

A

O: head of fibula
I: posterior surface of calcaneus via calcaneal tendon

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14
Q

Plantaris

A

O: lateral supracondylar line of femur
I: posterior surface of calcaneus

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15
Q

Fiburalis/peroneus brevis

A

O: lateral surface of fibula
I: tuberosity of 5th metatarsal bone

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16
Q

Fibularis/peroneus longus

A

O: head and lateral surface of fibula
I: plantar surface of medial cuneiform bone and base of first metatarsal

17
Q

Flexor digitorum longus

A

O: posterior surface of tibia
I: plantar aspects of bases of both the middle and distal phalanges of the 2nd, 3rd, 4th and little toes

18
Q

Flexor hallucis longus

A

O: posterior surface of fibula
I: plantar aspect of base of distal phalanx of big toe

19
Q

Tibialis posterior

A

O: posterior surface of tibia
I: tuberosity of navicular bone

20
Q

Anterior talofibular ligament (ATFL)

A
21
Q

Posterior talofibular ligament (PTFL)

A
22
Q

Calcaneofibular ligament (CFL)

A
23
Q

Achilles tendon

A
24
Q

Deltoid ligament

A
  1. anterior tibiotalar ligament
  2. posterior tibiotalar ligament
  3. tibionavicular ligament
  4. tibiocalcaneal ligament
25
Q

What nerve supplies the ankle evertors?

A

superficial fibular nerve

Ankle (1 decks)

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