The posterior leg Flashcards

1
Q

Name the deep muscles of the posterior leg

A
  • Tibialis posterior
  • Flexor digitorum longus
  • Flexor hallucis longus
  • Popliteus
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2
Q

What tendons make the Achilles tendon?

A
  • Gastronemius
  • Plantaris
  • Soleus
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3
Q

What runs through the tarsal tunnel?

A
  • Tibialis posterior (Tom)
  • Flexor digitorum longus (Dick)
  • Posterior tibial artery (And)
  • Posterior tibial vein (Very)
  • Flexor hallucis longus (Harry)
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4
Q

What are the superficial veins of the posterior leg and where do they lie?

A
  • Small saphenous lies laterally

- Great saphenous lies medially

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5
Q

Where does the great saphenous drain into?

A

-Femoral vein through Saphenous ring of femoral triangle

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6
Q

Where does the small saphenous vein drain into?

A

-Popliteal vein within the popliteal fossa

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7
Q

What is the sural nerve?

A
  • Medial sural nerve and superficial fibular nerve anastamose to make sural nerve
  • Cutaneous supply of posterior leg
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8
Q

What nerve supplies posterior leg?

A

-Tibial

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9
Q

What is the arterial supply to the posterior leg?

A
  • Posterior tibial artery
  • Fibular artery
  • Popliteal artery
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10
Q

Where does the achilles tendon attach?

A

-Calcaneous

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11
Q

What are the two heads of gastronemius?

A

-Medial and lateral

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12
Q

What divides the superficial and deep compartments?

A

-Fascia

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13
Q

What is the function of the posterior compatment?

A

-Plantarflexion

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14
Q

What is the function of gastronemius?

A
  • Plantarflexion of foot

- Flexion of knee

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15
Q

What is the function of plantaris?

A
  • Plantarflexion of the foot

- Flexion of the knee

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16
Q

What is the function of soleus?

A

-Plantarflexion

17
Q

What is the function of popliteus?

A

-Assists unlocking of the knee

18
Q

Where does flexor hallucis longus insert?

A

-Plantar surface of great toe

19
Q

What is the function of tibialis posterior?

A
  • Plantar flexion
  • Helps support arch of foot
  • Inversion of the foor
20
Q

What is the function of Flexor digitorum longus?

A
  • Plantarflexion of the foot
  • Inversion
  • Plantarflexion of toes 2-5
21
Q

What is the function of flexor hallucis longus?

A
  • Plantar flexion of foot
  • Inversion
  • Plantarflexion of great toe
22
Q

What are the functions of the posterior leg?

A
  • Plantarflexion
  • Involved in gait
  • Propulsion to walk forward
  • Flexion of the knee
  • Inversion
23
Q

Describe the route of the small saphenous vein

A

-Begins lateral and passes posterior to dive into popliteal fossa

24
Q

What runs with the short saphenous vein?

A

-Sural nerve

25
Q

Why are there may anastamoses from the superficial veins of the leg to the deep?

A

-The perforating veins allow blood to flow from superficial veins to deep veins to prevent DVT

26
Q

Name the superficial muscles of the posterior leg

A
  • Gastronemius
  • Soleus
  • Plantaris