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Myo 100 > Leg > Flashcards

Leg Flashcards

1
Q

Tibialis Anterior

  • Anterior Compartment -
A

O: Proximal Anterior Tibia, Lateral Tibial Condyle, Interosseous membrane
I: Medial Aspect of 1st cuneiform & 1st metatarsal
A: Dorsiflexion & Inversion of Foot @ ankle
N: Deep Fibular Artery
B: Anterior Tibial Artery

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2
Q

Extensor Hallucis Longus

  • Anterior Compartment -
A

O: Middle 1/3 of Fibula, Interosseous Membrane
I: Dorsal surface of big toe - distal phalanx
A: Extension of 1st digit @ MTP & IP jt.; Dorsiflexion & Inversion of foot @ ankle jt.
N: Deep Fibular Nerve
B: Anterior Tibial Artery

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3
Q

Extensor Digitorum Longus

  • Anterior Compartment -
A

O: Proximal 2/3 of Fibula, Interosseous membrane, Lateral tibial condyle
I: Dorsal surfaces of toes #2-5, middle & distal phalanges via DDE
A: Extension of digits #2-5 @ MTP, PIP & DIPs; Dorsiflexion & Eversion of foot @ ankle jt.
N: Deep Fibular Nerve
B: Anterior Tibial Artery

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4
Q

Fibularis Tertius

  • Anterior Compartment -
A

O: Distal 1/3 of Fibula, Interosseous membrane
I: Dorsal surface of 5th metatarsal
A: Dorsiflexion & Eversion of foot @ ankle jt.
N: Deep Fibular Nerve
B: Anterior Tibial Artery

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5
Q

Anterior Compartment (4)

A
  • Tibialis Anterior
  • Extensor Hallucis Longus
  • Extensor Digitorum Longus
  • Fibularis Tertius
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6
Q

Fibularis Longus

  • Lateral Compartment -
A

O: Head of Fibula, Proximal 1/2 of Lateral Fibula
I: Plantar surfaces of 1st cuneiform & 1st metatarsal
A: Eversion & Plantarflexion of foot @ ankle jt.
N: Superficial Fibular Nerve
B: Fibular Artery

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7
Q

Fibularis Brevis

  • Lateral Compartment -
A 
O: Distal 1/2 of Lateral Fibula
I: Lateral Base of 5th metatarsal
A: Eversion & Plantarflexion on foot @ ankle
N: Superficial Fibular Nerve
B: Fibular Artery
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8
Q

Lateral Compartment (2)

A
  • Fibularis Longus

- Fibularis Brevis

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9
Q

Gastrocnemius

  • Superficial Posterior Compartment -
A

O: Posterior Aspects of Distal Medial & Lateral Condyles of the Femur
I: Calcaneus via Calcaneal Tendon
A: Plantarflexion of foot @ ankle, Flexion of leg @ knee jt.
N: Tibial Nerve
B: Popliteal Artery

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10
Q

Soleus

  • Superficial Posterior Compartment -
A 
O: Soleal Line of Tibia, Head & Proximal 1.3 of Fibula
I: Calcaneus via Calcaneal Tendon
A: Plantarflexion of foot @ ankle jt.
N: Tibial Nerve
B: Popliteal Artery
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11
Q

Plantaris

  • Superficial Posterior Compartment -
A

O: Postero-Lateral Condyle, Distal Lateral Supracondylar Line of Femur
I: Posterior Calcaneus
A: Plantarflexion of foot @ ankle jt, flexion of leg @ knee jt.
N: Tibial Nerve
B: Popliteal Artery

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12
Q

Superficial Posterior Compartment (3)

A
  • Gastrocnemius
  • Soleus
  • Plantaris
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13
Q

Popliteus

  • Deep Posterior Compartment -
A

O: Lateral aspect of the Lateral Condyle of Femur
I: Medial Proximal Tibia
A: Medial rotation of Tibia @ knee jt, Flexion of leg @ knee jt.
N: Tibial Nerve
B: Popliteal Artery

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14
Q

Tibialis Posterior

  • Deep Posterior Compartment -
A

O: Proximal 2/3 of Tibia, Fibular, Interosseous Membrane
I: Navicular Tuberosity, Plantar surfaces of Metatarsal #2-4 & all tarsals (except talus)
N: Tibial Nerve
B: Posterior Tibial Artery

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15
Q

Flexor Digitorum Longus

  • Deep Posterior Compartment -
A

O: Middle 1/3 of Posterior Tibia
I: Plantar surfaces of Distal Phalanxes #2-5 (tendons go through fork of Flexor Digitorum Brevis)
A: Flexion of toes @ MTP, PIPs & DIPs of #2-5, Plantarflexion & Inversion of foot @ ankle jt.
N: Tibial Nerve
B: Posterior Tibial Artery

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16
Q

Flexor Hallucis Longus

  • Deep Posterior Compartment -
A

O: Distal 2/3 of both posterior Fibula, Interosseous membrane
I: Plantar surface of big toe - distal phalnx
A: Flexion of 1st digit @ MTP & IP jt.
N: Tibial Nerve
B: Posterior Tibial Artery

17
Q

Deep Posterior Compartment (4)

A
  • Popliteus
  • Tibialis Posterior
  • Flexor Digitorum Longus
  • Flexor Hallucis Longus
18
Q

Nerve + Blood supply for the Anterior Compartment

A

Deep Fibular Nerve
+
Anterior Tibial Artery

19
Q

Nerve + Blood supply for the Superficial Posterior Compartment

A

Tibial Nerve
+
Popliteal Artery

20
Q

Nerve supply for the Deep Posterior Compartment

A

Tibial Nerve

21
Q

Which muscles do Dorsiflexion?

A
  • Tibialis Anterior
  • Extensor Hallucis Longus
  • Extensor Digitorum Longus
  • Fibularis Tertius
22
Q

Which muscles do Plantarflexion?

A
  • Fibularis Longus
  • Fibularis Brevis
  • Gastrocnemius
  • Soleus
  • Plantaris
  • Tibialis Posterior
  • Flexor Digitorum Longus
  • Flexor Hallucis Longus

Myo 100 (2 decks)

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