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LEA > LEA El 1-15 > Flashcards

LEA El 1-15 Flashcards

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1
Q

bony features on superior surface of talus

A
  • trochlea: concave A–>P, convex M–>L
  • articulates w/ tibial plafond
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2
Q

the inferior surface of the head of the talus: facets + their functions

A
  • anterior articular facet and middle articular facet for anterior and middle articular facets of calcaeus
  • inferomedially: attachment for the spring ligament
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3
Q

spring ligament location, fuction

A

supports head of talus between navicular tuberosity and sustentaculum tali

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4
Q

bony features on the inferior surface of body of talus

A

posterior articular facet for posterior articular facet of calcaeus

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5
Q

sulcus tali location, course

A
  • on neck of talus
  • courses anterolaterally
  • ends in sinus tarsi
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6
Q

posterior aspect of talus has _________, divided into ___________ and _________ by the groove for _________

A
  • posterior process
  • medial and lateral tubercles divided by groove for FHL
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7
Q

anterior surface of head of talus articulation

A

has a convex, oval articular surface for the concave posterior surface of the navicular

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8
Q

lateral body of talus articulation

A

triangular articular facet for medial surface of lateral malleolus

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9
Q

medial body of talus articulation

A

pear-shaped articular facet for lateral surface of medial malleolus

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10
Q

facets on superior aspect of calcaneus

A

anterior, middle, posterior articular facets for these 3 facets of talus
- middle facet is on sustentaculum tali
- anterior facet + region below = anterior process

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11
Q

calcaneal sulcus course, location

A
  • superior surface of calcaneus
  • courses anterolaterally, ends in sius tarsi
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12
Q

tarsal canal is made of

A

calcaneal sulcus and sulcus tali

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13
Q

inferior aspect of calcaneus has calcaneal _________ split into _______ and ________ _________ by a groove

A
  • tuberosity is split into medial and lateral processes
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14
Q

sustentaculum tali

A
  • medial aspect of calcaneus
  • superior portion has middle articular facet
  • inferior portion has groove for FHL
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15
Q

bony features on lateral aspect of calcaneus

A
  • fibular trochlea separates grooves for fib brevis an dlongus
  • fibular spine provides attachment for CFL
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16
Q

anterior articulation of calcaneus

A
  • saddle-shaped surface for posterior surface of cuboid
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17
Q

posterior surface of calcaneus

A
  • superior 1/3 is smooth for retrocalcaneal bursa
  • middle 1/3 is rough for achilles and tendon of plantaris attachment
  • inferior 1/3 is rough for weight bearing
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18
Q

bony features: medial surface of cuboid

A

oval facet for lateral surface of lateral cuneiform

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19
Q

bony features: inferior surface of cuboid

A
  • fibular sulcus courses from fibular notch
  • fibular ridge ends in tuberosity of cuboid
  • beak posteriormost
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20
Q

bony features: anterior surface of cuboid

A
  • quadrilateral medial facet for base of 4th met
  • triangular lateral facet for base of 5th met
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21
Q

posterior articulation of cuboid

A
  • saddle-shaped facet for anterior surface of calcaeus
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22
Q

bony features: inferior surface of navicular

A

groove for plantar aspect of tibialis posterior tendon

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23
Q

bony features: medial surface of navicular

A

navicular tuberosity for insertion of main component of tibialis posterior

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24
Q

anterior articulations of navicular

A

3 facets for cuneiforms
- medial: apex up, base down
- intermediate, lateral: apex down, base up

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25
posterior articulation of navicular
oval, concave articular surface for head of talus
26
bony features: inferior surface of medial cuneiform
- tuberosity anterior, for attachment of tibialis anterior medially, peroneus longus laterally - tuberosity posterior, for attachment for tibialis posterior
27
bony features: medial surface of medial cuneiform
oval impression anteroinferiorly for tibialis anterior
28
bony features: lateral view of medial cuneiform
- L-shaped facet posterosuperiorly for intermediate cuneiform - oval facet for 2nd met base
29
bony features: anterior surface of medial cuneiform
kidney-shaped articular surface for 1st met base
30
bony features: posterior surface of medial cuneiform
- triangular surface for medial facet on anterior surface of navicular
31
bony features: medial surface of intermediate cuneiform
L-shaped facet posterosuperiorly for lateral surface of medial cuneiform
32
bony features: lateral surface of intermediate cuneiform
elongated facet for medial surface of lateral cuneiform
33
anterior articulation of intermediate cuneiform
triangular facet (apex down) for base of 2nd met
34
posterior articulation of intermediate cuneiform
triangular facet for middle facet of anterior surface of navicular
35
bony features: medial surface of lateral cuneiform
- elongated facet posterosuperiorly for lateral surface of intermediate cuneiform - two small facets for base of 2nd met
36
bony features: lateral surface of lateral cuneiform
- oval facet posterosuperior for medial surface of cuboid - may be a small facet for medial surface of 4th met
37
lateral cuneiform anterior articulation
triangular facet for base of 3rd met (apex down)
38
lateral cuneiform posterior articulation
triangular facet for lateral facet of anterior surface of navicular
39
metatarsal: anatomical neck
serves as an attachment for capsule
40
metatarsal: tubercle
- separates anatomical and surgical necks - serves as an attachment for MTP ligament
41
first metatarsal head: unique characteristics
- two facets for sesamoids, divided by crista
42
first metatarsal base: unique characteristics
- laterally: oval facet w/ depression for tendon of peroneus longus - medially: tubercle for partial attachment of tibialis anterior
43
second metatarsal base: unique characteristics
laterally: - two demifacets anteriorly for medial surface of 3rd metatarsal, two demifacets posteriorly for medial surface of lateral cuneiform medially: - oval facet for lateral surface of first cuneiform
44
third metatarsal base: unique characteristics
lateral: - one facet for medial aspect of base of 4th met medial: - two facets for base of 2nd met
45
fourth metatarsal base: unique characteristics
lateral: - base has one facet divided into 2 parts for articulation with 5th met base, lateral aspect of lateral cuneiform medial: - one facet for articulation w/ lateral surface of 3rd met base
46
5th metatarsal base: unique characteristics
- tuberosity present on lateral aspect of base
47
ankle joint: lateral ligaments
ATFL, CFL, PTFL
48
anterior talofibular ligament: location, attachments
- capsular lateral ankle joint ligament - attaches anterior border of lateral malleolus, lateral surface of body of talus
49
calcaneofibular ligament: location, attachments
- extracapsular lateral ankle ligament - attaches anterior border and apex of lateral malleolus, fibular spine of calcaneus - deep to peroneus longus, brevis
50
posterior talofibular ligament: location, attachments
- lateral capsular ankle ligament - attaches inferior portion of malleolar fossa, lateral tubercle on posterior process of body of talus
51
deltoid ligament components
superficial: tibionavicular, calcaneotibial, posterior talotibial ligaments deep: deep anterior talotibial ligament
52
tibionavicular ligament: location, attachments
- superficial portion of deltoid ligament, on medial side of ankle - blends w/ spring ligament - attaches anterior colliculus of medial malleolus, dorsomedial aspect of navicular
53
calcaneotibial ligament: location, attachments
- superficial portion of deltoid ligament, medial ankle - attaches anterior colliculus of medial malleolus, sustentaculum tali
54
posterior talotibial ligament: location, attachments
- medial ankle, part of superficial portion of deltoid ligament - attaches anterior and posterior colliculi, medial tubercle on posterior process of body of talus
55
deep anterior talotibial ligament: location, attachments
- medial ankle, deep portion of deltoid ligament - attaches anterior colliculus, intercollicular groove, medial surface of body of talus
56
functional subtalar joint is ____axial, _____planar
uniaxial, triplanar
57
interosseous talocalcaneal ligament: location, attachments
- inside tarsal canal - attaches sulcus tali, calcaneal sulcus
58
bifurcate ligament: attachments
- common portion attaches sinus tarsi - calcaneocuboid portion attaches dorsomedial aspect of cuboid - calcaneonavicular portion attaches dorsolateral aspect of navicular
59
spring ligament: location, attachment, characteristics
- attaches anterior margin of sustentaculum tali, plantar surface of navicular - supports head of talus - only foot ligament w/ elastic fibers
60
short plantar ligament: location, attachments
- calcaneocuboid joint, deep to long plantar ligament - attaches tubercle and transverse groove on plantar surface of calcaneus - plantar surface of cuboid, posterior to fibular ridge
61
long plantar ligament: location, function
- superficial to short plantar ligament - attaches plantar surface of calcaneus between tuberosity, tubercle - superficial fibers attach plantar surface of lesser met bases - deep fibers attach fibular ridge, cuboid tuberosity
62
components of sesamoid apparatus
- FHB - adductor, abductor hallucis - plantar plate - sesamoids

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