Foot Flashcards

1
Q

What is part of the Medial Longitudinal Arch/Ray?

A

Calcaneus Talus Navicular 1-3rd cuneiforms 1-3 Metatarsals 1-3 proximal, medial, and distal phalanges

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2
Q

What is part of the lateral longitudal Arch/Ray?

A

Calcaneus

cuboid

4-5 metatarsal

4-5 proximal, medial, and distal phalanges

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3
Q

What is part of the Transverse Arch?

A

Cuboid

Cuneiforms

Metatarsal bones

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4
Q

What does the spring ligament connect

A

AKA Plantar Calcaneonavicular

calcaneous and navicular

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5
Q

What does the long plantar ligament connect?

A

Calcaneus and 3-5 metatarsals

fibularis longus runs deep to this bad boy

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6
Q

What does the short plantar ligament connect?

A

AKA plantar calcaneocuboid

calcaneous and cuboid

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7
Q

Extensor Hallucis Brevis function and innervation

A

function

  • extend great toe

innervation

  • Deep Fibular Nerve
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8
Q

Extensor Digitorum Brevis function and innervation

A

function

  • extend digits

innervation

  • deep fibular N
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9
Q

What is in the first layer of the foot? What innervates them?

A
  1. Abductor Digiti Minimi
    - lateral plantar nerve
  2. Flexor Digitorum Brevis
  3. Abductor Hallucis
    - medial plantar nerve
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10
Q

What muscles are in the second layer of the foot? What innervates them?

A
  1. Quadratus Plantae
    - lateral plantar nerve
    - assists FDL flex straight, to calcaneus
  2. Lumbricals
    - Flex MP joint

Extend PIP and DIP

  • 1st lumbrical is medial plantar nerve

rest are lateral plantar nerve

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11
Q

What muscles are in the third layer of the foot? What innervates them?

A
  1. Flexor Digiti minimi Brevis
    - lateral plantar nerve
  2. Adductor Hallucis
    - two heds transverse and oblique
    - lateral plantar nerve
  3. Flexor Hallucis Brevis
    - tendons have sesamoid bones
    - medial plantar nerve
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12
Q

What muscles are in the fourth layer of the foot? What innervates them?

A
  1. Plantar Interossei
  2. Dorsal Interossei
    - Lateral plantar nerve
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13
Q

What is lateral deviation of the great toe?

A

Hallux Valgus

**Tissue surrounding deviated area swells -> swelling leads to frction -> Friction causes bursa to form.

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14
Q

What is mallet toe?

A

flexion in distal IP

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15
Q

What is Hammer Toe?

A

Extension at MP and flexion at proximal IP joint

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16
Q

What is claw toe?

A

Extension at MP joint and flexion at both PIP and DIP

17
Q

What is trigger toe?

A

extension of MP and Flexion of IP in big toe

18
Q

What is the blood supply of the Dorsal aspect of the foot?

A

Anterior Tibial Artery branches into Lateral Tarsal Artery and Drosalis Pedis Artery

Lateral Tarsal Artery branches into the Arcuate Artery

Dorsalis Pedis artery branches into the arcuate artery, Deep plantar artery, and 1st dorsal metatarsal artery

Arcuate artery brnches into the rest of the dorsal metatarsal arteries

Dorsal Metatarsal arteries branch into dorsal digital arteries

19
Q

Describe the Plantar foot blood supply

A

Posterior Tibial Artery branches into lateral plantar artery and medial plantar artery

Lateral plantar artery branches into deep plantar arch

deep plantar arch gives off the 3rd - 6th plantar metatarsal arteries

medial plantar artery gives off the 1st and 2nd plantar metatarsal and plantar digital arteries

20
Q
A