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Lower Extremity Anatomy > 1) Tibia, Fibula, Foot Intro > Flashcards

1) Tibia, Fibula, Foot Intro Flashcards

1
Q

The tibia transfers 85% of weight between

A

Femur and Talus

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2
Q

The tibia articulates proximally with

A

Femur

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3
Q

The tibia articulates proximally and distally with

A

Fibula

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4
Q

The tibia articulates inferiorly with

A

Talus

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5
Q

The medial condyle is

A

Larger than the lateral

Oval shaped

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6
Q

The lateral condyle is

A

Smaller than the medial

Circular shaped

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7
Q

The lateral condyle has what facet?

A

Fibular facet

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8
Q

The fibular facet of the Tibia articulates with

A

Fibular head

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9
Q

The intercondylar eminence is located

A

between condyles

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10
Q

Intercondylar eminence has what tubercles?

A

Medial intercondylar tubercle

Lateral intercondylar tubercle

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11
Q

Anterior and Posterior Intercondylar Fossae serve as sites of attachment for

A

Cruciate Ligaments

Horns of Menisci

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12
Q

The tibial tuberosity serves as a site of attachent for

A

The patellar ligament

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13
Q

Gerdy’s tubercle AKA

A

Tubercle of Iliotibial tract

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14
Q

Gerdy;s Tubercle is located

A

Lateral to the tibial tuberosity and patellar apex (when knee ext)

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15
Q

The IT tract attaches at

A

Gerdy’s Tubercle

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16
Q

The posterior proximal end of the Tibia has a groove for

A

Semimembranosus tendon

condyle

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17
Q

The groove for semimembranosus tendon is located on

A

posteromedial edge of the medial

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18
Q

The posterior proximal end of the Tibia has what facet?

A

Fibular articular facet

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19
Q

The fibular articular facet is located on

A

Lateral condyle

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20
Q

The fibular articular facet articulates with

A

Fibular head

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21
Q

The Tibial Shaft runs from

A

The tibial tuberosity to the fibular notch

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22
Q

The anterior border of the Tibia is

A

Subcutaneous

VERY palpable

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23
Q

The lateral border of the Tibia is AKA

A

the interosseus

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24
Q

The lateral border of the Tibia is the site of attachment of

A

The interosseus membrane

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25
Q

The medial border of the Tibia is

A

Palpable

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26
Q

Medial surface of the tibial shaft

A

Faces anteromedially
Subcutaneous
VERY palpable

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27
Q

Lateral surface of the tibial shaft is the site of attachment for

A

Anterior Compartment Muscles

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28
Q

Posterior surface of the tibial shaft has 2 lines. They are:

A

Soleal line

Vertical line

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29
Q

The Nutrient Foramen of the Tibia is located:

A

Inferior to the soleal line

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30
Q

The Soleal Line of the Tibia runs from

A

The fibular facet to the medial border of the junction of the proximal and middle 1/3s of shaft

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31
Q

The Vertical Line of the Tibia runs how?

A

It descends from the center of the Soleal Line

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32
Q

The nutrient foramen (canal) is angled in what direction?

A

Distally

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33
Q

The distal tibia articulates with

A

Talus

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34
Q

Medial malleolar articular facet

A

pear shaped facet

lateral surface of medial malleolus

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35
Q

MMAF is covered with

A

Hyaline cartilage

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36
Q

MM AF articulates with

A

Medial talar body

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37
Q

Anterior colliculus of medial malleolus is

A

An Anterior projection
Extends inferiorly
Site of ligament attachment

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38
Q

Posterior colliculus of medial malleolus serves as a site of

A

ligament attachment

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39
Q

Colliculi of the tibia are separated by

A

The intercollicular groove

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40
Q

Also on the medial malleolus is the groove for which two tendons?

A

Tibialis posterior

Flexor digitorum longus

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41
Q

The tibial plafond is

A

rectangular shaped

inferior articular surface

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42
Q

The tibial plafond is lined with

A

Articular cartilage

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43
Q

The tibial plafond is continuous with

A

Articular facet of medial malleolus

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44
Q

The tibial plafond articulates with

A

Talus

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45
Q

The posterior process of the distal tibia is a

A

Posterolateral prominence (3rd malleolus)

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46
Q

The posterior process of the distal tibia has a depression that acts as a groove for

A

Flexor hallucis longus

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47
Q

The fibular notch is a

A

Triangular depression on lateral surface

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48
Q

The fibular notch articulates with the fibula at

A

The tibiofibular syndesmosis

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49
Q

The fibula is important for

A

ANKLE STABILITY

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50
Q

The fibula is palpable at

A

The head

Lateral malleolus

51
Q

The fibula articulates with

A

Talus and Tibia

52
Q

The shape of head of the fibula is

A

Square-ish

53
Q

Common fibular nerve passes where?

A

Around the fibular head/neck

54
Q

Articular facet of fibula articulates with

A

Lateral condyle of Tibia

55
Q

The apex of fibula is known as the

A

Styloid process

56
Q

The stylioid process (apex of Fibula) is a site of

A

Ligament attachment

57
Q

The borders of the Fibular shaft spiral from

A

Proximal to distal

58
Q

Anterior border of the Fibula follows what path?

A

Begins at anterior aspect of the head

Curves laterally toward lateral malleolus

59
Q

Anterior border of the Fibula splits distally and encloses

A

Lateral triangular area above lateral malleolus

60
Q

Anterior border of the Fibula serves as a site of attachment for

A

Anterior IM Septum

61
Q

Attachment of Anterior IM Septum separates

A

Anterior and Lateral compartments

62
Q

Interosseus (Medial Border) of the Fibula follows what path?

A

Extends from head to triangular area distally

63
Q

Interosseus (Medial Border) of Fibula serves as a site of attachment for

A

The interosseus membrane

64
Q

Posterior border of the Fibula follows what path?

A

Begins at head

End at posterior border of lateral malleolus

65
Q

Proximal posterior border of the Fibula faces

A

laterally

66
Q

Distal posterior border of the Fibula faces

A

Posteriorly

67
Q

Posterior border of the Fibula serves as a site of attachment for

A

The posterior IM septum

68
Q

The medial crest of the Fibula is also known as the

A

Crista Medialis

69
Q

The medial crest of the Fibula is an ___________ line that ______________.

A

Oblique line that begins on the medial side

70
Q

The medial crest of the Fibula becomes continuous with

A

The interosseus border on the distal 1/4 of the Fibula

71
Q

The medial crest of the Fibula serves as a site of attachment for

A

An aponeurosis that separates muscles

72
Q

Medial surface of the Fibula leis between what borders?

A

Between anterior and interosseus borders

73
Q

Medial surface of the Fibula serves as a site of attachment for

A

Anterior compartment muscles

74
Q

Lateral surface of the Fibula lies between what borders?

A

Between anterior and posterior borders

75
Q

Proximal lateral surface of the Fibula faces

A

Anteriorly

76
Q

Distal lateral surface of the Fibula faces

A

More posteriorly

77
Q

Lateral surface of the Fibula serves as a site of attachment for

A

Lateral compartment muscles

78
Q

Posterior surface of the Fibula lies between what borders?

A

Betwee posterior and interosseus borders

79
Q

The posterior surface of the Fibula is continuous with

A

Area articulating with Tibia

80
Q

Proximal posterior surface of the Fibula faces

A

Posteriorly

81
Q

Distal posterior surface of the Fibula faces

A

Medially

82
Q

Posterior surface of Fibula serves as a site of attachment for

A

Some posterior compartment muscles

83
Q

The nutrient foramen on the Fibula is found on

A

Middle 1/3 of posterior surface

84
Q

Lateral malleolus of the Fibula resists

A

Eversion

85
Q

Lateral malleolar articular facet is

A

Triangular facet on medial surface

86
Q

Lateral malleolar articular facet articulates with

A

Talus

87
Q

Lateral malleolar fossa is located

A

Posterior to articular facet (on the medial surface)

88
Q

Lateral malleolar fossa serves as a site of ligament attachment for

A

Transverse tibfib

Posterior talifubular

89
Q

Lateral malleolar sulcus is a

A

Groove on posterior border

90
Q

What tendons pass through the lateral malleolar sulcus?

A

Fibularis longus

Brevis tendons

91
Q

The summit of lateral malleolus is the

A

Rounder, distal end

92
Q

The summit of lateral malleolus serves as a site of attachment for

A

The calcaneofibullar ligament

93
Q

The summit of lateral malleolus where the calcaneofibular ligament attaches can be a site of

A

Avulsion fractures

94
Q

The medial triangular surface articulates with

A

The fibular notch of the tibia

95
Q

Articulation of the medial triangular surface with the fibular notch of the tibia forms the

A

Distal tibiofibular joint

96
Q

The distal tibiofibular joint is what type of joint?

A

Syndesmotic joint (strong ligament)

97
Q

Primary ossification center of the Tibia is located at

A

Shaft

7th-8th Fetal Week

98
Q

Secondary ossification centers of the Tibia include

A

Proximal Epiphysis

Distal Epiphysis

Medial Malleolus

Tibial Tuberosity

99
Q

Secondary ossification center at the Proximal Epiphysis of the Tibia

A

Appears at birth

Fuses at 18

100
Q

Secondary ossification center at the Distal Epiphysis of the Tibia

A

Appears at 1

Fuses at 16

101
Q

Secondary ossification center at the Medial Malleolus of the Tibia

A

Appears between 8-13

Fuses at 15 (females) and 17 (males)

not always a separate ossification center*

102
Q

Secondary ossification center at the Tibial Tuberosity of the Tibia

A

Appears at 10-12

Fuses between 14-18

103
Q

Primary ossification center of the Fibula is located at

A

Shaft

8th fetal week

104
Q

Secondary ossification center at the distal end of the Fibula

A

Appears at 1st year

Fuses at 15-17

105
Q

Secondary ossification center at the proximal

end of the Fibula

A

Appears at 3rd year

Fuses at 17-19

106
Q

Secondary ossification centers (in the fibula) fuse in the order of

A

appearance

107
Q

The superior (proximal) Tibiofibular joint lies between

A

Between head of fibula and lateral tibial condyle

108
Q

Superior (Proximal) Tibiofibular joint is what type of joint?

A

Gliding (planar) synovial joint

Functionally diarthrotic

109
Q

Ligaments at the Superior (Proximal) Tibiofibular Joint

A

Anterior and Posterior Proximal Tibiofibular ligaments

110
Q

Blood supply to the Superior (Proximal) Tibiofibular Joint is provided by

A

Tibial Recurrent arteries

Inferior Lateral Genicular arteries

111
Q

Innervation to Superior (Proximal) Tibiofibular Joint is provided by

A

Common Fibular

Nerve to Popliteus

112
Q

Gliding movements of the Superior (Proximal) Tibiofibular Joint when

A

the ankle joint moves in dorsiflexion and platarflexion

113
Q

The interosseus membrane attaches to

A

Interosseus borders of the Tibia and Fibula

114
Q

Interosseus membrane fibers are angled

A

Inferolaterally

115
Q

The superior (proximal) opening of the interosseus membrane allows for

A

passage of the Anterior Tibial Artery

116
Q

The inferior(distal) opening of the interosseus membrane allows for

A

passage of perforating branches of Fibular artery

117
Q

The distal (inferior) tibiofibular joint is a joint between

A

Between fibular notch and medial triangular area of Fibula

118
Q

Ligaments of the distal Tibiofibular join prevent

A

Prevent separation of tibia and fibula

Prevent talar wedging

119
Q

The 4 ligaments of the distal tibiofibular joint are

A

DIDI

Distal Anterior TF Ligament
Interosseus TF Ligament
Distal Posterior TF Ligament
Inferior Transverse TF Ligament

120
Q

The Talocrural Joint is between

A

Tibial plafond, LMAF, MMAF
&
Talus

121
Q

Midtarsal Joint is between

A

Rearfoot
&
Midfoot

122
Q

Midtarsal Joint is also known as

A

Chopart’s Joint, Transverse Tarsal Joint

123
Q

Lisfranc’s Joint is between

A

Midfoot
&
Forefoot

124
Q

Lisfranc’s Joint is also known as

A

Tarsometatarsal Joint

Lower Extremity Anatomy (9 decks)

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