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Lower Extremity Anatomy > LEA Joints of the Foot and Ankle Part 1 > Flashcards

LEA Joints of the Foot and Ankle Part 1 Flashcards

1
Q

Distal (inferior) tibiofibular joint

A
  • Fibular notch and medial triangular area of fibula

- Syndesmosis, amphiarthrosis

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2
Q

Ligaments prevent

A

separation of tibia and fibula, and talar wedging

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3
Q

Distal anterior tibiofibular ligament (trapezoid shape)

A

Anterior border of fibular notch to anterior edge of triangular area (fibula)

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4
Q

Interosseous tibiofibular ligament is a continuation of

A

the Interosseus membrane

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5
Q

Interosseous tibiofibular ligament is a strong ligament found

A

centrally, within the articulation

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6
Q

Distal posterior tibiofibular ligament (triangular shape)

A

Posterior border of fibular notch to posterior edge of triangular area(fibula)

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7
Q

Inferior transverse tibiofibular ligament is the most inferior aspect of

A

distal posterior tibfib, located posterior to ankle joint

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8
Q

inferior transverse tibiofibular ligament attaches

A
  1. to posterior-inferior aspect of fibular notch (sometimes reaches medial malleolus)
  2. lateral malleolar fossa (superior edge) on the fibula
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9
Q

Articular cartilage on deep surface of inferior transverse tibiofibular ligament that articulates with

A
  • posterior lateral aspect of trochlea

- Deepens articular surface

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10
Q

distal tibiofibular joint blood supply:

A

perforating fibular,

anterior and posterior lateral malleolar arteries

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11
Q

posterior intermalleolar ligament is located

A
  • posterior to ankle joint

- between transverse tibiofibular and posterior talofibular ligaments

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12
Q

posterior intermalleolar ligament attaches

A
  • superior edge fibular malleolar fossa and:
  • Posterior tibia and medial malleolus (via septa of flexor retinaculum
  • Lateral and medial talar processes
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13
Q

the posterior intermalleolar ligament is tensed during

A

dorsiflexion

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14
Q

the posterior intermalleolar ligament can be cause of

A

posterior impingement

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15
Q

articulation between talus and the tibia and fibula

A

the talocrural/tibiotalar/ ankle joint

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16
Q

the talocrural joint is a __ joint

A

synovial hinge joint
diarthrosis
primarily dorsi and plantar flexion

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17
Q

the ankle joint is more mobile/less stable in

A

plantar flexion

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18
Q

trochlea is more narrow __

A

posteriorly

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19
Q

arterial supply of the ankle joint

A

the medial and lateral malleolar plexuses

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20
Q

ankle mortise

A

concavity formed by the tibia, fibula, and inferior transverse tibio-fibular ligament

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21
Q

talus articulates with

A

mortise

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22
Q

the ankle joint capsule attaches to

A

Borders of tibia and malleoli
articular margins of trochlea,
talar neck on the dorsum

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23
Q

the joint capsule is weak

A

anteriorly and posteriorly

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24
Q

joint capsule is reinforced by

A

collateral ligaments of the ankle medially and laterally

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25
Q

the joint capsule anteriorly attaches to

A

the neck of the talus

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26
Q

__ lines fibrous capsule

A

synovium

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27
Q

medial collateral ligament of the ankle function (deltoid ligament)

A
  1. stabalizes the ankle

2. limits the ankle eversion and external rotation and lateral translation

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28
Q

the deltoid (MCL of the ankle) ligament is divided into

A

superficial and deep layers consisting of 3-6 ligaments (blends with the capsule, thick and strong)

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29
Q

the superficial MCL of the ankle

A
  1. tibionavicular ligament
  2. Tibiospring Ligament
  3. Tibiocalcaneal Ligament
  4. Superficial posterior tibiotalar ligament
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30
Q

Tibionavicular ligament

A

From the anterior border of anterior colliculus to the dorsal navicular tuberosity

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31
Q

Tibionavicular ligament crosses

A

ankle joint & talonavicular portion of mid tarsal joints

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32
Q

tibiospring

A

Anterior colliculus (proximal and posterior to tibionavicular) to the spring ligament (plantar calcaneonavicular ligament)

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33
Q

the tibiospring crosses

A

the ankle joint and subtalar joint

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34
Q

Tibiocalcaneal ligament

A

from the anterior colliculus and intercollicular groove to the medial and posterior aspect of sustentaculum tali

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35
Q

Tibiocalcaneal ligament is located deep to

A

FDL nd TP

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36
Q

the strongest superficial deltoid ligament is

A

tibiocalcaneal

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37
Q

tibiocalcaneal ligament crosses the

A

ankle joint and subtalar joint

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38
Q

superficial posterior tibiotalar ligament

A

From the posterior colliculus and intercollicular groove to the medial tubercle of posterior process of talus

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39
Q

superficial posterior tibiotalar ligament can blend with

A

deep posterior talotibial

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40
Q

superficial posterior tibiotalar ligament is taut when

A

dorsiflexion: limits dorsiflexion and posterior displacement of the talus

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41
Q

superficial posterior tibiotalar ligament crosses

A

the ankle joint

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42
Q

the deep layer of the MCL of ankle only crosses

A

the ankle joint

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43
Q

Deep anterior tibiotalar ligament often just called anterior tibiotalar

A

From the anterior inferior aspect of the anterior colliculus to the medial aspect of talar body

44
Q

anterior tibiotalar is deep to

A

tibionavicular and tibiospring ligaments

45
Q

anterior tibiotalar fibers can often blend with

A

tibionavicular ligament

46
Q

Deep anterior tibiotalar ligament is taut when

A

in plantar flexion: limits plantarfelxion and anterior displacement of the talus

47
Q

deep posterior tibiotalar ligament

A

From the posterior and anterior colliculi and intercollicular groove to the medial talar body

48
Q

largest and thickest component of the deltoid ligament

A

Deep posterior tibiotalar ligament

49
Q

Deep posterior tibiotalar ligament is deep to

A

tibiocalcaneal and superficial posterior tibiotalar ligaments

50
Q

Deep posterior tibiotalar ligament is taut in

A

dorsiflexion, limits dorsiflexion and posterior displacement of the talus

51
Q

Lateral collateral Ligaments of the Ankle

A
  1. anterior talofibular ligament
  2. calcaneofibular ligament
  3. posterior talofibular ligament
52
Q

Lateral collateral Ligaments of the Ankle all resist

53
Q

most commonly injured LCL in plantar flexion inversion ankle sprain(and in general ankle sprains)

A

Anterior talofibular ligament

54
Q

Anterior talofibular ligament

A

From the anterior inferior edge of lateral malleolus to lateral talar body (sometimes you will see neck)

55
Q

Anterior talofibular ligament is taut in

A

plantarflexion, resist excessive plantarflexion and anterior talar displacement

56
Q

Anterior talofibular ligament is a __ ligament that crosses ___

A

Capsular; ankle joint

57
Q

Calcaneofibular ligament is a(n) __ ligament that crosses the

A

extracapsular: ankle joint and subtalar

58
Q

Calcaneofibular ligament

A

From lateral malleolus apex (summit) to peroneal spine

lateral calcaneus superior to retrotrochlear eminence

59
Q

Calcaneofibular ligament is torn when

A

in more severe sprains

60
Q

Calcaneofibular ligament is taut in

A

dorsiflexion: resists excessive dorsiflexion

61
Q

Posterior talofibular ligament

A

Runs horizontally from the lateral malleolar fossa to lateral tubercle of posterior process

62
Q

Posterior talofibular ligament is a(n) ___ ligament that crosses the __

A

capsular; ankle joint

63
Q

Posterior talofibular ligament is taut in

A

dorsiflexion: resists dorsiflexion

64
Q

which ligament is not commonly torn in ankle sprains

A

Posterior talofibular ligament

65
Q

subtalar joint is located between

A

facets of calcaneus and facets of talus

66
Q

Talocalcaneal joint is a __ joint

A

planar, gliding, synovial joint

67
Q

Talocalcaneal joint has more complex movement because of

A

concave and convex surfaces: allows translation and rotation

68
Q

subtalar joint is divided into anterior and posterior articulations by

A

the sinus tarsi
and tarsal canal
and the interosseous talocalcaneal ligament

69
Q

anterior subtalar joint

A

talocalcaneonavicular

70
Q

posterior subtalar joint

A

posterior talocalcaneal

71
Q

Some refer to the ___ as the anatomic subtalar joint

72
Q

arterial supply subtalar joint

A 
lateral tarsal, 
lateral malleolar, 
perforating fibular, 
artery to tarsal canal, 
artery to sinus tarsi
73
Q

Ligaments supporting subtalar joint

A
  1. Posterior talocalcaneal ligament
  2. Lateral talocalcaneal ligament
  3. Medial talocalcaneal ligament
  4. Interosseous talocalcaneal ligament
  5. Cervical ligament
74
Q

the subtalar joint is also supported by

A

tibiocalcaneal and calcaneofibular ligaments

75
Q

Posterior talocalcaneal ligament

A

From posterior process of talus to superior calcaneus

76
Q

Lateral talocalcaneal ligament

A

From lateral process of talus to lateral surface of calcaneus

77
Q

Medial talocalcaneal ligament

A

From medial tubercle of posterior process of talus to posterior edge of sustentaculum tali

78
Q

Deeper plane than calcaneofibular ligament (medial to it)

A

Lateral talocalcaneal ligament

79
Q

Interosseous talocalcaneal ligament

A

-Found within the sinus tarsi/tarsal canal (strong bond between talus and calcaneus)

80
Q

Separates anatomic subtalar from talocalcaneonavicular joint

A

Interosseous talocalcaneal ligament

81
Q

Interosseous talocalcaneal ligament attaches

A
  • Attaches to sulcus tali and sulcus calcanei

- Fibers angled inferolaterally

82
Q

Interosseous talocalcaneal ligament resists

83
Q

Cervical ligament resists

A

supination and inversion

84
Q

Cervical ligament attaches

A

from the superolateral calcaneus within the sinus tarsi to neck of talus

85
Q

Talocalcaneonavicular Joint

Articulation between:

A
  • Anterior and middle facets of talus and calcaneus
  • Head of talus and spring ligament
  • Head of talus and posterior facet of navicular (talonavicular)
86
Q

Multiaxial ball and socket joint with talar head , synovial joint; diarthrosis
Blood: medial tarsal, medial plantar

A

Talocalcaneonavicular Joint

87
Q

Talocalcaneonavicular Joint capsule is

A

weak, reinforced by tibionavicular ligament (medial side) and calcaneonavicular ligament (lateral side)

88
Q

Acetabulum pedis

A

deep socket that receives the talar head

89
Q

Acetabulum pedis is formed by

A
  • posterior navicular facet,
  • anterior and middle facets of calcaneus
  • plantar calcaneonavicular ligament (spring)
  • dorsal calcaneonavicular ligament (part of bifurcate)
90
Q

funcional subtalar joint

A

Anatomic subtalar joint + talocalcaneonavicular joint

91
Q

funcional subtalar joint is between

A

posterior, middle, anterior facets of talus and calcaneus

92
Q

funcional subtalar joint forms

A

a triple joint complex with midtarsal joint

93
Q

function subtalar joint is a __ joint

A

triplanar. pronation an supination

94
Q

functional subtalar joint ligaments support

A

just combine the ligaments that support the anatomic and talocalcaneal part of TCN joint

95
Q

Fibrocartilagenous facet on dorsal surface of ligament (superomedial part)–

A

supports head of talus and medial longitudinal arch

96
Q 
Spring ligament (plantar calcaneonavicular ligament)
3 components:
A
  1. superomedial
  2. inferoplantar longitudinal
  3. medioplantar oblique
97
Q

superomedial

A

sustentaculum tali and edge of middle calcaneal facet to mediosuperior navicular tuberosity

98
Q

inferoplantar longitudinale

A

coronoid fossa to navicular beak

99
Q

medioplantar oblique

A

notch between ant. and middle facets of calcaneus to inferomedial navicular

100
Q

Fuses with deltoid ligament (tibionavicular and tibiospring)

A

spring ligament (plantar calcaneonavicular ligament)

101
Q

spring ligament (plantar calcaneonavicular ligament) is deep to

A

tibialis posterior tendon

102
Q

Bifurcate ligament

A

-y shaped ligament

103
Q

Bifurcate ligament attaches proximally

A

anterior process of calcaneus

104
Q

Bifurcate ligament attaches distally

A

to dorsolateral navicular, dorsal calcaneonavicular ligament, and dorsomedial cuboid, calcaneocuboid ligament

105
Q

Dorsal talonavicular ligament attaches

A

from dorsal aspect of talar neck to dorsal aspect of navicular

Lower Extremity Anatomy (16 decks)

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