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Lower Extremity Anatomy > Joints of the Foot and Ankle Part 2 > Flashcards

Joints of the Foot and Ankle Part 2 Flashcards

1
Q

Articular facet for cuboid

A

part of calcaneus that articulates with the cuboid

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2
Q

Articular facet for cuboid is __ shaped

A

saddle;
concave superior to inferior,
convex medial to lateral

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3
Q

anterior process of the calcaneus

A
  • Projects over cuboid

- Visible on lateral radiograph

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4
Q

calcaneocuboid joint

A

between calcaneus and cuboid, part of midtarsal joint

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5
Q

beak of cuboid articulation with coronoid fossa of calcaneous helps

A

stabalize joint during inversion

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6
Q

calcaneocuboid joint is a

A

diarthrosis saddle joint (sellar)

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7
Q

calcaneocuboid joint joint capsule attaches to

A

articular margins

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8
Q

blood supply to the calcaneocuboid joint

A

dorsalis pedis, lateral plantar, perforating fibular, lateral tarsal

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9
Q

Dorsal (dorsolateral) calcaneocuboid ligament attaches from

A

distal dorsal calcaneus to proximal dorsolateral aspect of cuboid

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10
Q

Bifurcate ligament

A
  • Dorsal calcaneonavicular ligament

- Calcaneocuboid ligament (dorsomedial calcaneocuboid)

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11
Q

long plantar ligament (superfical calcaneocuboid) attaches from

A

trigonum plantare of calcaneus

to fibular ridge of cuboid AND plantar aspect of the bases of metatarsals 2-4(5)

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12
Q

which ligament separates origins of quadratus plantae ?

A

long plantar ligament

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13
Q

long plantar ligament creates ____ by its attachment to fibular ridge (cuboid ridge, or crest) and met bases

A

fibular (peroneal) canal

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14
Q

long plantar ligament helps maintain what arch

A

lateral longitudinal arch

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15
Q

short plantar ligament (deep calcaneocuboid) attaches from

A 
calcaneal tubercle (anterior tubercle of calcaneus) 
to cuboid, posterior to fibular ridge including the beak (coronoid process of cuboid)
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16
Q

short plantar ligament (deep calcaneocuboid) helps maintain

A

lateral longitudinal arch

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17
Q

stabalizing ligaments of calcaneocuboid joint

A
  1. dorsal (dorsolateral) calcaneocuboid
  2. bifurcate
  3. long plantar
  4. short plantar
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18
Q

2 joints of the midtarsal joint (transverse tarsal joint. chopart’s joint)

A

Calcaneocuboid joint + talonavicular portion of talocalcaneonavicular

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19
Q

midtarsal joint is a ___ joint

A

fucntional,

triplanar: supination and pronation

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20
Q

cyma line

A
  • Line through midtarsal joint

- Undisrupted “S”-shaped curve

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21
Q

3 anatomic joints:

A

posterior talocalcaneal,
talocalcaneonavicular,
and calcaneocuboid

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22
Q

talocalcaneal + talocalcaneonavicular

A

subtalar

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23
Q

talonavicular + calcaneocuboid

A

midtarsal

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24
Q

Ligaments in the Tarsal Sinus

A
  1. Interosseous talocalcaneal ligament
  2. Cervical ligament
  3. Bifurcate ligament
  4. Frondiform ligament
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25
Q

lateral root of the frondiform ligament originates

A

lateral to EDB

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26
Q

lateral root of the frondiform ligament blends with

A

inferior fibular retinaculum

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27
Q

intermediate root of the frondiform originates from

A

sinus tarsi, medial to EDB

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28
Q

intermediate root of the frondiform is posterior to

A

cervical ligament

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29
Q

intermediate root of the frondiform unites with

A

lateral root to form superficial component of frondiform ligament

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30
Q

3 components of the medial root of frondiform ligament

A
  1. lateral calcaneal component
  2. medial calcaneal component
  3. Talar component
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31
Q

Lateral calcaneal component originates

A

in sinus tarsi, posterior to intermediate root

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32
Q

Medial calcaneal component attaches

A

to floor of tarsal canal

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33
Q

talar component attaches

A

to roof of tarsal canal (neck of talus)

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34
Q

great tarsal joint consist of

A

bones of the midfoot

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35
Q

great tarsal joint articulations share

A

joint capsule lined with synovium

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36
Q

blood supply to the great tarsal joint

A

branches of dorsalis pedis (tarsal arteries), medial and lateral plantar arteries

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37
Q

great tarsal joint is a ___ joint

A

planar, synovial, diarthrosis

38
Q

articulations of great tarsal joints

A
  1. Cuneonavicular joints
  2. Intercuneiform joints
  3. Cuneocuboid joint
  4. Cuboideonavicular joint (synovial joint present 50%)
  5. 2nd and 3rd Cuneometatarsal joint
  6. Intermetatarsal joint of 2nd and 3rd metatarsals
  7. Intermetatarsal joint of 3rd and 4th metatarsals
39
Q

Cuneonavicular joints

A

Between the 3 cuneiforms and navicular

40
Q

Intercuneiform joints

A

Between medial and intermediate cuneiforms (1st) ; intermediate and lateral cuneiforms (2nd)

41
Q

Cuneocuboid joint

A

Between lateral cuneiform and cuboid

42
Q

Cuboideonavicular joint (synovial joint present 50%)

A

Between medial surface of cuboid and lateral surface of navicular

43
Q

2nd and 3rd Cuneometatarsal joint

A
  • Together can be referred to as the intermediate tarsometatarsal joint
  • between base of 2nd metatarsal and cuneiforms
  • between lateral cuneiform and base of 3rd metatarsal
44
Q

Boundaries of great tarsal joint

A
  • Lateral interosseous tarsometatarsal ligament
  • Cuboideonavicular interosseous ligament
  • Lisfrancs’s Ligament (Medial tarsometatarsal
  • Interosseous cuneocuboid ligament
45
Q

ligaments of the great tarsal joint

A
  1. Cuneonavicular joints
  2. Intercuneiform joints
  3. Cuneocuboid joint
  4. Cuboideonavicular joint (synovial 50%)
  5. 2nd and 3rd Cuneometatarsal joint (intermediate tarsometatarsal joint)
46
Q

Cuneonavicular joints

A

Dorsal (3) and plantar (3) cuneonavicular ligaments

One between each cuneiform and navicular

47
Q

which great tarsal joint has NO interosseous ligaments

A

Cuneonavicular joints

48
Q

Intercuneiform joints

A

Dorsal (2), interosseous (2) and plantar (2) intercuneiform ligaments
(One between each cuneiform)

49
Q

intercuneiform and cuneocuboid joint supports

A

transverse arch

50
Q

Cuneocuboid joint ligaments

A

Dorsal, interosseous, and plantar cuneocuboid ligaments

51
Q

50% synovial joint

A

Cuboideonavicular joint

52
Q

Cuboideonavicular joint ligaments

A
  • Dorsal, interosseous, and plantar cuboideonavicular ligaments
  • Interosseous is small if synovial joint is present
53
Q

Lisfranc’s joint

A

tarsometatarsal joint

54
Q

Lisfranc’s joint is a

A

planar, synovial joint, diarthrosis, (not much movement)

55
Q

lisfranc’s joint: Functional joint between

A

metatarsals and cuboid/cuneiforms

56
Q

The cuneiforms form

A

a mortise for the 2nd metatarsal base.

57
Q

2nd metatarsal base functions as __

Very important in the stability of Lisfranc’s joint

A

a tenon

58
Q

The 2-4th metatarsal bases form

A

a shallow mortise for the lateral cuneiform

59
Q

1st Cuneometatarsal Joint (Medial tarsometatarsal joint)

A

between medial cuneiform and 1st metatarsal
Joint capsule attached to articular margins
Planar, synovial; diarthrosis

60
Q

1st Cuneometatarsal Joint blood supply

A

medial plantar and dorsalis pedis

61
Q

2nd and 3rd Cuneometatarsal joint (intermediate tarsometatarsal joint)

A

Between

  • 2nd metatarsal base with all 3 cuneiforms
  • 3rd metatarsal base with lateral cuneiform
62
Q

2nd and 3rd Cuneometatarsal joint (intermediate tarsometatarsal joint) is also a part of

A

great tarsal joint

63
Q

2nd and 3rd Cuneometatarsal joint blood supply

A

branches from deep plantar arch and dorsalis pedis

64
Q

Metatarsocuboid joint of 4 and 5 (Lateral tarsometatarsal joint)

A
  • Between cuboid and bases of the 4th and 5th metatarsals

- Planar, synovial joint; diarthrosis

65
Q

Metatarsocuboid joint of 4 and 5 blood supply

A

branches from arcuate, lateral tarsal and deep plantar arch

66
Q

how many Dorsal tarsometatarsal ligaments of the tarsometatarsal joint

A

7 (sometimes 8)

67
Q

Plantar tarsometatarsal

A

(irregular in number number 3-5)

68
Q

No plantar ligaments to which tarsal bone

A

intermediate cuneiform

69
Q

1st Dorsal tarsometatarsal

A

between medial cuneiform and 1st metatarsal base

70
Q

2nd Dorsal tarsometatarsal

A

between medial cuneiform and 2nd metatarsal base

71
Q

3rd Dorsal tarsometatarsal

A

between intermediate cuneiform and 2nd metatarsal base

72
Q

4th Dorsal tarsometatarsal

A

between lateral cuneiform and 2nd metatarsal base

73
Q

5th Dorsal tarsometatarsal

A

between lateral cuneiform and 3rd metatarsal base

sometimes between lateral cuneiform and 4th met base

74
Q

6th Dorsal tarsometatarsal

A

between dorsomedial cuboid 4th metatarsal bases

75
Q

7th Dorsal tarsometatarsal

A

between dorsolateral cuboid to 5th metatarsal base

76
Q

Plantar tarsometatarsal: 1st medial cuneiform to

A

1st metatarsal base

77
Q

Plantar tarsometatarsal : 2nd medial cuneiform

A 
splits into 2 bands; 
to 2nd  (deep) and 3rd (superficial) metatarsal bases
78
Q

Plantar tarsometatarsal : 3rd from lateral cuneiform to

A

3rd (sometimes 4th) metatarsal base

79
Q

Plantar tarsometatarsal : 4th from cuboid to

A

4th metatarsal base

80
Q

Plantar tarsometatarsal : 5th from cuboid to

A

5th metatarsal base

81
Q

Interosseous tarsometatarsal (3)

A
  1. lisfranc’s ligament (medial)
  2. intermediate interosseous tarsometatarsal ligament
  3. lateral interosseous tarsometatarsal ligament
82
Q

Lisfranc’s ligament (1st or medial interosseous tarsometatarsal ligament) from

A

lateral aspect of medial cuneiform to medial aspect of 2nd met base

83
Q

Stronger than other interosseous tarsometatarsal ligaments

A

Lisfranc’s ligament

84
Q

Intermediate interosseous tarsometatarsal ligament from

A

medial aspect of lateral cuneiform to lateral aspect of 2nd met base

85
Q

Lateral interosseous tarsometatarsal ligament from

A

lateral surface of lateral cuneiform to medial aspect of 4th met base)

86
Q

There is variation in attachments for the ___ & __ interosseous tarsometatarsal ligaments.

A

intermediate and lateral

87
Q

Long axis of calcaneus is directed

A

superiorly and laterally.

88
Q

Superior angulation is referred to as

A

calcaneal pitch

89
Q

___ between long axis of talus and calcaneus

A

~ 30 - 35⁰

90
Q

2nd metatarsal base articulates with which cuneiforms

A

medial, intermediate, lateral

91
Q

3rd metatarsal base articulates with which cuneiforms

A

just lateral

Lower Extremity Anatomy (16 decks)

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