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Back Up MSK > Set 10 > Flashcards

Set 10 Flashcards

1
Q

Tibialis posterior

  • Origin:
  • Insertion:
  • Action:
A
  • Origin: Posterior IOM, tibia, and fibula
  • Insertion: Navicular tuberosity, cuboid, cuneiforms, and 2-4 metatarsal base
  • Action: Plantar flex and invert ankle
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2
Q

Flexor digitorum longus

  • Origin:
  • Insertion:
  • Action:
A
  • Origin: Posterior tibia
  • Insertion:Base of distal phalanx toes 2-5
  • Action: Flex toes 2-5
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3
Q

Flexor hallucis longus

  • Origin:
  • Insertion:
  • Action:
A
  • Origin: Posterior fibula
  • Insertion: Base of great toe distal phalanx
  • Action: Flex great toe
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4
Q

Peroneus brevis

  • Origin:
  • Insertion:
  • Action:
A
  • Origin: Distal lateral fibula shaft
  • Insertion: Base of 5th metatarsal
  • Action: Plantar flex and evert ankle
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5
Q

Peroneus longus

  • Origin:
  • Insertion:
  • Action:
A
  • Origin: Head and proximal lateral shaft of fibula
  • Insertion: Medial cuneiform and base of 1st metatarsal
  • Action: Plantar flexion, evert ankle
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6
Q

Gastrocnemius

  • Origin:
  • Insertion:
  • Action:
A
  • Origin: Posterior lateral and medial femoral condyles
  • Insertion: Posterior calcaneus via Achilles tendon
  • Action: Plantar flexion of ankle and flexion of knee
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7
Q

Soleus

  • Origin:
  • Insertion:
  • Action:
A
  • Origin: Posterior proximal fibula and tibia
  • Insertion: Posterior calcaneus via Achilles tendon
  • Action: Plantar flexion of ankle
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8
Q

Plantaris

  • Origin:
  • Insertion:
  • Action:
A
  • Origin: Lateral femoral supracondylar line
  • Insertion: Posterior calcaneus (medial to Achilles)
  • Action: Plantar flex ankle
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9
Q

Popliteus

  • Origin:
  • Insertion:
  • Action:
A
  • Origin: Lateral femoral condyle (anterior part of popliteal groove)
  • Insertion: Proximal posteromedial tibia
  • Action: Flexion and internal rotation of knee
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10
Q

Lateral ligaments of the ankle include:

A
  • Anterior talofibular ligament
  • Calcaneofibular ligament
  • Posterior talofibular ligament
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11
Q

Most commonly injured ankle ligament and mechanism of injury:

A
  • Anterior talofibular ligament
  • MOI—Inversion of plantar flexed ankle
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12
Q

Medial (deltoid) ligaments of the ankle include:

A
  • Deep bands:
    • Anterior tibiotalar ligament
    • Posterior tibiotalar ligament
  • Superficial bands:
    • Tibionavicular ligament
    • Tibiocalcaneal ligament
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13
Q

High ankle ligaments include:

A
  • Anterior tibiofibular ligament
  • Posterior tibiofibular ligament
  • Interosseous membrane
  • Interosseous ligament
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14
Q

Name the anterior ankle tendons and neurovascular structures in order from medial to lateral:

A
  1. Tibialis anterior
  2. Extensor hallucis longus
  3. Dorsal pedis artery
  4. Deep peroneal nerve
  5. Extensor digitorum longus
  6. Peroneus tertius
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15
Q

Name the posteromedial ankle tendon and neurovascular structures in order from anterior to posterior:

A
  1. Tibialis posterior
  2. Flexor digitorum longus
  3. Posterior tibial artery and veins
  4. Posterior tibial nerve
  5. Flexor hallucis longus
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16
Q

Name the posterolateral ankle tendons in order form anterior to posterior:

A
  1. Peroneus brevis
  2. Peroneus longus
17
Q

Describe tarsal tunnel syndrome:

A
  • Most common compressive neuropathy of the lower extremity.
  • Compression of posterior tibial nerve in the tarsal tunnel located at the posteromedial aspect of the ankle.
  • Results in paresthesia (pain, tingling, numbness) involving the plantar aspect of the foot.
18
Q

Name the borders and contents of the tarsal tunnel:

A
  • Medial—calcaneus and talus
  • Inferior—abductor hallucis
  • Superficial—flexor retinaculum
  • Contents—tibialis posterior, FHL, FDL, posterior tibial artery, and tibial nerve.
19
Q

Name the fat pad deep to the Achilles tendon:

A

Kager’s fat pad

20
Q

Identify the labeled structures in this longitudinal view of the anteromedial ankle:

A
  1. Tibia
  2. Talar dome
  3. Talar head
  4. Navicular
  5. Anterior fat pad
  6. Tibialis anterior tendon

Back Up MSK (11 decks)

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