Muscles of the Posterior Leg (deep layer) MT Flashcards

1
Q

Popliteus origin

A

Lateral femoral condyle

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2
Q

Popliteus insertion

A

Tibia

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3
Q

Popliteus innervation

A

Tibial N

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4
Q

Popliteus action

A

Flexion of the Knee (weak)

Medial Rotation of Tibia or Lateral Rot. of Femur (UNLOCKS the knee)

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5
Q

Flexor Hallicus Longus origin

A

Fibula
Interosseous membrane
tibia

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6
Q

Flexor Hallicus Longus insertion

A

distal phalanx of great toe

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7
Q

Flexor Hallicus Longus innervation

A

Tibial N.

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8
Q

Flexor Hallicus Longus action

A

Flexion of the Great toe

Plantarflexion of the Foot

Inversion of the foot

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9
Q

Flexor Digitorum Longus origin

A

Fibula
Interosseous membrane
tibia

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10
Q

Flexor Digitorum Longus insertion

A

distal phalanx of digits 2-5

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11
Q

Flexor Digitorum Longus innervation

A

Tibial N.

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12
Q

Flexor Digitorum Longus action

A

Flexion of digits 2-5

Plantarflexion of the Foot

Inversion of the Foot

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13
Q

Tibialis Posterior origin

A

Fibula
Interosseous membrane
tibia

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14
Q

Tibialis Posterior insertion

A

Navicular and medial cuneiform

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15
Q

Tibialis Posterior innervation

A

Tibial N.

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16
Q

Tibialis Posterior action

A

Plantarflexion of the Foot

Inversion of the Foot

Dynamic Support of Arches

17
Q

What innervation is common to all muscles of the posterior leg compartment (superficial and deep)?

A

Tibial N.

18
Q

What muscles of the posterior leg aid in plantar flexion?

A

all but popliteus

19
Q

What muscles of the posterior leg are important for inversion?

A

Flexor Hallucis Longus
Flexor Digitorum Longus
Tibialis Posterior