Plantar aspect of the foot Flashcards

1
Q

What bones make up the medial longitudinal arch?

A
Calcaneus 
Navicular 
Talus 
3 cuneiforms 
medial 3 metatarsals and medial 3 digits
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2
Q

What bones make up the lateral longitudinal arch?

A

Calcaneus
Cuboid
Lat 2 metatarsals
Lat 2 digits

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3
Q

What is higher? Medial or lateral longitudinal arch

A

Medial

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4
Q

What bones make up the transverse arch?

A

Cuboid

all 3 cuneiforms

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5
Q

What is the role of the transverse arch?

A

Shape helps provide support

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6
Q

What provides passive support to the foot?

A

Plantar aponeurosis

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7
Q

What provides dynamic support to the foot?

A

Tib ant
Tib post
flex hall long -tendons
flex dig long - tendons

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8
Q

How many layers are there of the plantar aspect of the foot?

A

6 layers

4 muscular and 2 neurovascular

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9
Q

What does the post tib artery divide into?

A

Med and lat plantar arteries

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10
Q

What does the tibial nerve divide into?

A

Med and lat plantar nerve

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11
Q

Role of the plantar aponeurosis

A

Protective function

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12
Q

What muscles are in muscle layer 1

A

Flex dig brev
abd hall
abd dig min

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13
Q

What nerve innervates flex dig brev

A

Med plant

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14
Q

What nerve inn abd hall

A

Med plant

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15
Q

What msucles are in muscle layer 2

A

Quadratus plantae
Lumbricals
TENDONS of flex hall long and flex dig long

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16
Q

what nerve inn 1st lumbrical

A

Med plant

17
Q

What are the muscles in muscle layer 3

A

add hall
flex hall brev
flex dig min brev

18
Q

What is the role of the lumbircals

A

FLex digits 2-5 at MPJ and ext at IPJ

19
Q

How many head on add hall and what are they called

A

2

Oblique and transverse

20
Q

What are the muscles in muscle layer 4

A

Plantar interosseous muscles

21
Q

Role of plantar interosseous muscles

A
  • add of the lat 3 dig